A metabolic process called cellular respiration converts glucose to ATP. Glycolysis and pyruvate oxidation are two of the steps of cellular respiration.
What occurs during oxidation?There is an oxidation reaction when oxygen interacts with a substance or an element. The process of removing hydrogen from reactant species is another definition of oxidation. A molecule, particle, or ion undergoes oxidation when it loses electrons.
What does cellular respiration do, and why?The process of breaking down sugar in the presence of oxygen inside the mitochondria in organisms (animals and plants) releases energy in the form of ATP. This procedure results in the waste products carbon dioxide and water.
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1. Glucose is a reactant in the cellular respiration reaction. When oxygen is present, glucose is broken down to provide energy.
2. Cells produce ATP (adenosine triphosphate), which serves as their main source of energy during cellular respiration.
3. The Krebs cycle or citric acid cycle, the second stage of cellular respiration, occurs in the mitochondria of the cell.
4. The citric acid cycle, also known as the Krebs cycle, is the second stage of cellular respiration and an enzymatic set of events that further breaks down the byproducts of glycolysis.
5. The process through which cells convert organic substances such as glucose into ATP and release energy is known as cellular respiration.
6. The equation for cellular respiration is:
Glucose + Oxygen → Carbon Dioxide + Water + ATP
7. Small molecules, such as glucose or other organic substances, are broken down through a sequence of metabolic events during cellular respiration, generating energy in the process. This energy is stored in the form of ATP, which cells can use for a variety of energy-intensive functions.
To produce energy in the form of ATP, cells must engage in cellular respiration. Through a sequence of chemical events, organic molecules such as glucose are broken down. These multi-step processes take place in the mitochondria of the cell.
Glycolysis, which occurs in the cytoplasm during cellular respiration, is the initial step in the breakdown of glucose. As a result pyruvate and a small amount of ATP are produced. Pyruvate then moves to the mitochondria for further oxidation.
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Your question is incomplete, most probably the complete question is:
which is a reactant in the cellular respiration reaction?; what is the purpose of cellular respiration?where in the cell does the second stage of cellular respiration take place?what is the second stage of cellular respiration?what is cellular respiration?; cellular respiration equation; smaller molecules are processed releasing energy; cellular respiration processTRUE/FALSE. a major release of methane hydrate, which is found just beneath the ocean floor, may have been the trigger for the final temperature increase near the end of the late paleocene torrid age.
Major release of methane hydrate, which is found beneath the ocean floor, may have been the trigger for final temperature increase near the end of the late Paleocene torrid age : True.
How does methane affect temperature?Methane is a powerful greenhouse gas and is 80 times more potent at warming than carbon dioxide. Methane is responsible for around 30% of the current rise in the temperature.
Warming of arctic sediments or ocean waters has the potential to cause methane hydrate to dissociate and thus releasing methane in deep water sediments, ocean or atmosphere. One group of archaea's known as methanogens produce methane, a simple organic molecule (CH4).
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question: which of the following do you expect to observe after the initiation of mechanical ventilation? 1. Increased pH 2. Increased PaCO2
After the initiation of mechanical ventilation, we observe Increased pH.
Mechanical ventilation is a type of life support that involves the use of positive pressure to help a patient breathe. Respiratory therapists work closely with doctors to provide care for patients who are intubated and connected to a ventilator. The most important aspect of this process is monitoring the patient-ventilator interaction to ensure that they are receiving the right amount of support. Vital signs are a key part of any patient assessment. In mechanically ventilated patients, it is important to monitor the following:
Heart rate
Respiratory rate
Oxygen saturation
Blood pressure
Temperature
These vital signs are important to monitor because they can let practitioners know if the patient is in distress or if there was a change in their condition.
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Which of the following allows metals to be malleable?
A substance's malleability depends on how elastic it is. A metal becomes more malleable as it becomes more elastic.
What gives a metal its malleability?Metals are able to be bent and moulded because they are malleable. They are layers of atoms, which is why. When the metal is pressed, bent, or hammered, these layers can glide over one another. While rolling over one another, the atoms can nevertheless maintain the crystal's structure.
What enables the malleability and ductility of metals?Metals are referred to as ductile (can be formed into sheets) and malleable (can be pulled out into wires). The capacity of the atoms to roll over one another into new places without rupturing the metallic bond is the reason for this.
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Draw the major organic product for the reaction. The starting material is a 5 carbon chain with a double bond between carbons 1 and 2. Carbon 3 has a methyl substituent
An alkene double bond contains two distinct substituent groups on each of the carbon atoms. The carbon-carbon double bond in 1-bromocyclopentene, 4-methyl-2-pentene, and 2-chloro-3,4-dimethyl-3-hexene is numbered in that order.
What effects do organic products have?Organic reactions are chemical processes involving organic compounds. Redox reactions, photochemical reactions, pericyclic reactions, elimination procedures, and substitution reactions are some of the basic types of organic chemistry reactions.
What are the byproducts of the reaction?The substance or substances to the left of the arrow in a chemical equation are the reactants. Reactants are substances that are present at the beginning of a chemical reaction. The substance or substances to the right of the arrow are products. A product is the substance that is still present after a chemical process has finished.
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Which of the following is an example of a chemical reaction?A.water evaporating from a pot on a hot stove B.sand being removed from sea water by filtration C.A spoonful of sugar dissolving in a glass of water D.A water solid forming when two clear liquids are poured together
Chemists refer to the process of boiling water as endothermic.It follows that since certain processes need heat, others must also produce heat as they operate.They are referred to as exothermic.
When water is cooked on a stove, would a chemical reaction take place?The water is not performing any chemical reactions when it boils.Even while it boils, the water is still.Simply put, the temperature has altered. Water molecules may undergo phase shifts as it continues to boil, gaining enough energy to vaporize as it does so.
Is a boiling pot of water undergoing a chemical reaction?Boiling water causes a physical, not a chemical, alteration in the substance.Hydrogen and oxygen do not separate from water molecules.Instead, the links between molecules in water break, enabling them to transition physically from the a liquid to a gas.
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Which solutions(s) showed little or no change in pH? Why?
The buffers with high and low pH had the least change; they are buffers that resist changes in pH.
The buffer solution's pH does not change, so why not?The concentration of salt to acid (or base) remains constant after dilution for this reason. A mild acid or base that prevents abrupt pH fluctuations is a buffer.pH scales range from 7.0 and above for basic solutions to 7.0 and lower for acidic ones. Buffers are solutions that include a weak acid and its conjugate base; as a result, they can absorb too many H+ions or OH-ions, keeping the pH in the environment constant.An alkali, such as sodium hydrogen carbonate, may be used to treat a patient whose blood pH is acidotic and is 7.3. The buffers with high and low pH had the least change; they are buffers that resist changes in pH.To learn more about Buffers refer to:
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add charges, single electron dots, and/or pairs of dots as appropriate to show the lewis symbols for the most stable ion of each element. treat n
As - 8 dots and 3- charge, Se - 8 dots and 2- charge, Br - 8 dots and 1-, K - zero dots and +1 charge, Ca - zero dots and +2 charge, Ga - zero dots and +3 charge.
In the periodic table of the elements, what is its Lewis symbol?The valence electrons of each element are represented by dots that surround their chemical symbol in a Lewis dot symbol. The Lewis dot symbol's dots correspond to the valence electrons, which correspond to the final digit of the element's group number as in periodic table.
What's an example of a Lewis symbol?Two chlorine atoms, for instance, share one pair of electrons when they combine to form a chlorine molecule. According to the Lewis structure, each Cl atom contains one shared pair of electrons and pairs of electrons that aren't employed in bonds (known as lone pairs) (written between the atoms).
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What is the process of breaking down a job into small task?; How do you know when to stop decomposing a task?
The process for breaking tasks into further smaller units is as follows: First: Determining the strategy. Second: Identifying the highest level components of work to be accomplished. Third: Breaking down work process into small units.
When the mass of the container and its contents no longer changes on heating we should stop decomposing a task.
Decomposition is a complicated technique. Natural remember is broken down into carbon dioxide and the mineral kinds of nutrients like nitrogen. It's also converted into fungi and micro organism through these organisms feeding on the organic material and reproducing.
To test if it the reaction is a primary-order reaction, plot the herbal logarithm of a reactant attention versus time and notice whether the graph is linear. If the graph is linear and has a negative slope, the response ought to be a primary-order reaction.
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The process of dividing tasks into smaller chunks is as follows:
Step 1 : Establish a strategy.
Step 2 : identify the top-level component of the work to be done.
Step 3 : break down the work process into smaller units.
Step : Name the unit.
Step 5 : Make sure tasks are broken down to the lowest unit if necessary
It is very important to stop decomposing tasks at some point to avoid work efficiency and inefficient use of resources. Stop decomposing tasks when you know the exact result you want after each task and have accurately estimated the time and cost of each task.
Decomposition or putrefaction is the process by which dead organic matter breaks down into simple organic or inorganic matter such as carbon dioxide, water, simple sugars and inorganic salts.
This process is part of the nutrient cycle and essential for the recycling of finite materials occupying the physical space of the biosphere. An organism's body begins to decompose shortly after death.
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thionyl chloride is used as an oxidizing and chlorinating agent in organic chemistry. select the best lewis structure for socl2.
A Lewis Structure is defined as a very simplified representation of the valence shell electrons in a molecule by use of dots.
A Lewis Structure is defined as a very simplified representation of the valence shell electrons in a molecule. Lewis Structure is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are represented as "dots" or for bonding electrons as a line between the two atoms.
Thionyl Chloride is a colorless to pale yellow or red liquid with a pungent smell. Thionyl Chloride is used as a chlorinating agent in the manufacture of organic compounds, it is also used as a solvent in Lithium batteries, and in making pesticides.
The Lewis structure of Thionyl Chloride is given in the image attached below.
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What are some differences between each of the following pairs?
a. secondary and tertiary protein structures b. essential and nonessential amino acids c. polar and nonpolar amino acids d. dipeptides and tripeptides e. an a helix and collagen f. a helix and B-pleated sheet g. tertiary and quaternary structures of proteins
The differences between each of the pair is a. secondary and tertiary protein structures of protein.
a. No sharp dividing line exists between
secondary and tertiary structures. Secondary structure refers to the spatial arrangement of amino acids close to one another on a polypeptide chain, whereas tertiary structure refers to the three-dimensional arrangement of all atoms of a polypeptide chain. Among the most important factors in maintaining 3° structure are disulfide bonds, hydrophobic interactions, hydrogen bonding, and salt linkages ; Secondary structure is mainly defines by H-bonding between amino acids in localized regions of a polypeptide or protein
b. Essential amino acids cannot be made by metabolic process of human body, Essential amino acids can be synthesized by human body.
c. The amino acids are divided into 2 categories: those with nonpolar side chains are Non-polar amino acids ( exp. Alanine, Leucine ) , and with polar side chains like acidic side chains ( Aspartic acid) , basic side chains (lysine) and -OH/-SH groups (serine) in side chains are Polar amino acids.
d. A molecule containing two amino acids joined by an amide bond (-CONH-) is called a dipeptide. Those containing 3 amino acids
are called tripeptides. ( di-, tri- indicates No. of Amino acids )
e. Collagen consists of a triple helix made of the repetitious amino acid sequences , it is tertiary structures, whereas a-Helix is Secondary structure.
f. a-Helix, is a type of secondary structure in which a section of polypeptide chain coils into a spiral, most commonly a righthanded spiral. b-Pleated sheet is also
a type of secondary structure in which sections of polypeptide chains are aligned
parallel or antiparallel to one another.
g. Quaternary structure, is The arrangement of polypeptide monomers into
a noncovalently bonded aggregate. Many proteins or polypetides in tertiary structure constitues Quaternary structure.
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Which of the following compounds will exhibits dipole-dipole attraction between molecules? {Hint: look for polar molecules.} a. SiO2 b. CBr4 c. Cl4 d. BH3 e. AsH3
Dipoles in [tex]AsH_{3}[/tex] are attracted to other dipoles. The other chemicals all exhibit dispersion forces and are non-polar. [tex]AsH_{3}[/tex]'s tetrahedral molecular structure with a persistent dipole.
What is dipole-dipole attraction?
Dipole-dipole forces draw together the positive ends of two polar molecules that have opposite charges on their ends. Strengths of dipole-dipole forces per mole range from 5 kJ to 20 kJ.
Examples of polar compounds that interact dipole-dipole include hydrogen chloride (HCl), carboxylic acids (such as acetic acid), and amino acids. A polar molecule's positive end will pull another molecule's negative end and change the other molecule's location.
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select the best benefit of the text structure of the lewis and clark journal entries. the compare and contrast structure of the text allows the reader to evaluate the experience both men had on their expedition. the cause and effect structure of the text allows the reader to see how the men's decisions greatly impacted their traveling companions. the chronological structure of the text allows the reader to follow their expedition to see how their journey unfolded. the description structure of the text allows the reader to gain a real appreciation for each place the explorers visited, so it may inspire them to visit those places as well.
The best benefit of the text structure of the Lewis and Clark journal entries is C. The chronological structure of the text allows the reader to follow their expedition to see how their journey unfolded.
What is chronological structure?The art or process of placing events or occurrences in chronological order is known as chronology. Typically, it goes from first to last, or from the earliest event to the most recent events.
In the case of a degree certificate holder, for instance, the chronological order of their education is from primary school, which is the oldest certificate, to secondary school, and finally tertiary institution.
Most expository writing, which is a type of writing that narrates, describes, informs, or explains a process, uses chronological order. Place the events in chronological order so that they appear as they did in reality or as they will if you are giving instructions.
In this case, it should be noted that the journal was arranged accordingly as it happened. Therefore, the correct option is C.
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Clark, May 14, 1804]
Monday May 14th 1804 Rained the forepart of the day I determined to go as far as St. Charles a french Village 7 Leags. up the Missourie, and wait at that place untill Capt. Lewis Could finish the business in which he was obliged to attend to at St Louis and join me by Land from that place 24 miles; by this movement I calculated that if any alterations in the loading of the Vestles or other Changes necessary, that they might be made at St. Charles I Set out at 4 oClock P.M.
[Lewis, May 15, 1804]
Tuesday May 15th It rained during the greater part of last night and continued untill 7 OCk. A.M. after which the Prarty proceeded, passed two Islands and incamped on the Stard. shore at Mr. Fifer's landing opposite an Island, the evening was fair.
select the best benefit of the text structure of the lewis and clark journal entries. the compare and contrast structure of the text allows the reader to evaluate the experience both men had on their expedition. the cause and effect structure of the text allows the reader to see how the men's decisions greatly impacted their traveling companions. the chronological structure of the text allows the reader to follow their expedition to see how their journey unfolded. the description structure of the text allows the reader to gain a real appreciation for each place the explorers visited, so it may inspire them to visit those places as well
Predict the products when cyclohexanol is heated in the presence of H^+. Show both the organic product and the inorganic product formed in this reaction.
Draw cyclohexanol with a double bond and without the OH- group. next draw water
How are double bonds created?Two atoms sharing two sets or electrons result in a double bond. Always shared in pairs, electrons. Covalent bonds are referred to as each shared electron pair. A double bond between two atoms requires more energy to break than a single bond because four electrons are divided between the two atoms in a dual bond.
What makes a single bond different from a double bond?When two atoms join one couple of electrons, they form a single bond; when they share two pairs, they form a double bond (four electrons). To form triple bonds, three pairs free electrons (six atoms) share space.
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balance the equation
Answer: the balanced equation is
6KOH + Cl₂ ⇒ 5KCl + KClO₃ + 3H₂O
Explanation:
Given equation
KOH + Cl₂ ⇒ KCl + KClO₃ + H₂O
let us first balance Cl on the right-hand side
KOH + Cl₂ ⇒ 2KCl + KClO₃ + H₂O
next, lets balance K on the left-hand side
3KOH + Cl₂ ⇒ 2KCl + KClO₃ + H₂O
since we have H₂ on the right-hand side to equate H₂ we need to make the H coefficient even on the right-hand side so we multiply it by 2 so we get
6KOH + Cl₂ ⇒ 2KCl + KClO₃ + 3H₂O
now we balance K on the right-hand side
6KOH + Cl₂ ⇒ 5KCl + KClO₃ + 3H₂O
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Draw the major organic product for each of the two situations.
(a) Phenylacetic acid is treated first with Br2 and one equivalent of PBr3, then with a large excess of ethanol.
(b) Propionic acid is treated first with Br2 and one equivalent of PBr3, then with a large excess of ammonia.
a) Phenylacetic acid is treated first with Br2 and one equivalent of PBr3, then with a large excess of ethanol is 2-bromo-2-phenyacetic acid.
b) Propionic acid is treated first with Br2 and one equivalent of PBr3, then with a large excess of ammonia is Alanine.
The are the examples of the Hell-Volhard-Zelinsky reaction .
a) when phenylacetic acid react with the PBr₃ it will convert to the major product as 2-bromo-2-phenyacetic acid.
b) Propionic acid is treated first with Br2 and one equivalent of PBr3, produces the 2-bromo propanoic acid and then it treated with a large excess of ammonia and produces the major product as is Alanine.
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calculate the volume of 1.0 x 10-4 m cv solution that needs to be added to a 25.0 ml volumetric flask and diluted with deionized (di) water in order to prepare a calibration standard solution with a concentration of 1.0 x 10-5 m cv . as part of your preparation for performing this experiment, repeat this calculation for each of the calibration standards you would need to prepare in part i a of the experiment and record the information in your notes so that you have it ready during the lab session. also calculate the volume of 1.0 x 10-4 m cv solution required to prepare 10 ml of 3.0 x 10-5 m cv solution to be used in part ii b of the experiment and record the information in your notes. group of answer choices 2.5 milliliters 250 microliters 25 microliters 2.5 microliters none of the above
The volume of solution required to make final concentration of is 2.5 ml and for is 3 ml.
What are calibaration of a solution?
Standard addition, internal standard, and external standard techniques to quantitation all employ calibration solutions. Calibrants can be made gravimetrically using reference standards or pure reference materials, but they can also be made on a volumetric or other fraction basis.
For preparing the solution of known concentration and volume, the equation can be related as:
M1v1=M2V2
M1 and V1 are molarity of known solution
M2 AND V2 molarity of solution to be prepared
Here,M1=1 x 10^-4M
M2= 1 X 10^-5 M
V2= 25ml
1 x 10^-4 x V1=1 X 10^-5 x 25
Volume of required solution=2.5ml
To make the volume 10ml of 3 x 10^-5 x 10
Volume of required solution=3ml
Therefore the volume of solution required to make final concentration of is 2.5 ml and for is 3 ml.
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assume the magnetic susceptibility data were measured for the iron (ii) compounds given below and that the data reveals only one of them is low-spin. which of the compounds will be low-spin? hint: consult your spectrochemical series. (nh4)2[fe(h2o)6](so4)2 na4[fe(co3)3] k4[fe(cn)6] k4[fecl6] k3[fe(oxalate)3]
The low-spin compound in this set of compounds is K₄[Fe(CN)₆].
The spectrochemical series is a list of ligands ranked in order of their ability to stabilize low-spin complexes. According to the series, CN⁻ is the strongest low-spin ligand, followed by Cl⁻, CO₃⁻, and oxalate. Therefore, the compound that is most likely to be low-spin is K₄[Fe(CN)₆]. The other compounds on the list are more likely to be high-spin because the ligands they contain are weaker than CN⁻ at stabilizing low-spin complexes.
Since it is near the high-spin end of the spectrochemical series (i.e. it has a high coordination number and a high oxidation state). The other compounds in the set all have lower coordination numbers and/or lower oxidation states, so they are more likely to be high-spin.
In general, the more electrons an atom has in its outer shell, the more likely it is to be low-spin. Therefore, compounds with higher oxidation states and higher coordination numbers are more likely to be low-spin.
Hence, K₄[Fe(CN)₆] has a low spin with a strong field ligand in the spectrochemical series.
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as seen in problem 3.109, silicon carbide nanowires of diameter d 15 nm can be grown onto a solid silicon carbide surface by carefully depositing droplets of catalyst liquid onto a flat silicon carbide substrate. silicon carbide nanowires grow upward from the deposited drops, and if the drops are deposited in a pattern, an array of nanowire fins can be grown, forming a silicon carbide nano-heat sink. consider finned and unfinned electronics packages in which an extremely small, 10 m 10 m electronics device is sandwiched between two d 100-nm-thick silicon carbide sheets. in both cases, the coolant is a dielectric liquid at 20 c. a heat transfer coefficient of h 1 105 w/m2 k exists on the top and bottom of the unfinned package and on all surfaces of the exposed silicon carbide fins, which are each l 300 nm long. each nano-heat sink includes a 200 200 array of nanofins. determine the maximum allowable heat rate that can be generated by the electronic device so that its temperature is maintained at Tt <85oC for the unfinned and finned packages.
1.30×10 W is the maximum allowable heat rate that can be generated by the electronic device to maintain the temperature below 85°C for an unfinned package.
Write the equation conduction resistance
Rcond = d/kA.........(1)
Consider the following and substitute the values:
From the table of 'thermo physical properties of selected nonmetallic solids' at a temperature of 300K.
The thermal conductivity of Silicon carbide, k is given by 490 W/m - K
Dimension of the electronic device,
W=10x10⁻⁶m
Find the cross-sectional area
A=W²
= (10x10⁻⁶)² m²
Rcond = 100×10⁻⁹/490×(10×10⁻⁶)^2
= 2.04 K/W
The equation Convection resistance is given as follows:
Rconv = 1/hA
Consider the following and substitute the values:
Heat transfer coefficient of coolant
h= 1×10 W/m² K and
A= (10×10⁻⁶)² m²
Rcond = 1/10⁵x(10x10⁻⁶)^2
= 1×10⁵ K/W
Find the heat rate by using the following equation
q= T1- Tinfinity/ Rcond + Rconv...........(3)
= 2(85-20)/ (2.04+10⁵)
q = 1.30×10 W
Thus, the maximum allowable heat rate that can be generated by the electronic device to maintain the temperature below 85°C for the unfinned package is 1.30×10 W.
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What are 5 examples of ionic bonds?
Examples of ionic bonds include:sodium chloride, or NaCl.sodium bromide, or NaBr.sodium fluoride, or NaF.sodium iodide, or NaI.potassium fluoride, or KF.
Which substance has an excellent ionic connection as an example?Sodium fluoride, often known as NaF, is created when two atoms of sodium and one of fluorine establish an ionic bond.The fluorine atom, with just enough room, accepts the sodium atom's single valence electron as part of this process.
Provide two examples of ionic bonds.When electrons move from one atom or group to another, they generate positive and negative ions, which are electrostatically attracted to one another. This electrostatic attraction is the basis for the formation of an ionic connection.Example: NaCl, KBr, etc.
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what pressure of carbon dioxide is required to keep the carbon dioxide concentration in a bottle of club soda at 0.10
It takes 3.48 atm of carbon dioxide pressure to maintain the carbon dioxide concentration in a bottle of club soda at 0.10
Explain about the pressure of carbon dioxide?Pressure on gas An under pressure liquefied gas is housed in a carbon dioxide cylinder. If heated or if the container is hydraulically full due to overfilling, it may rupture (or burst). Local laws typically govern the filling ratio of common gases.
Nondispersive infrared (NDIR) or electrochemical technology are typically used to measure carbon dioxide. The most popular method for measuring CO2 concentrations with higher accuracy over extremely wide ranges up to 100% volume is now NDIR-based carbon dioxide sensors, thanks to advancements in the technology.
Parts per million (ppm) is a unit of measurement for CO2 that represents the amount of CO2 in micromoles per mole of air. Molars per Mole (mol/mol) is the SI unit for CO2 concentration.
CO2 concentration C is 0.10 mol/L.
3.4 * 10-2 moles/L.atm for CO2 at 25 C.
in light of eq (1)
p(CO2)=C/k=0.10 molL-1/3.4 * 10-2 molL-1atm-1
3.48 atm, or p(CO2).
The complete question is,
What pressure of carbon dioxide is required to keep the co2 concentration in a bottle of club soda at 0.10 mol/l at 25 c? The henry's law constant of co2 in water at 25 c is 3.4 × 10-2 (mol/l)/atm?
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The pressure of carbon dioxide required to keep it's concentration in a bottle of club soda at 0.1 is 2.9 atm.
Henry's Law states that the partial pressure of a gas above a liquid is proportional to the concentration of the gas dissolved in the liquid at a given temperature (C/p). i.e
C = k*P —————-(1)
where k = the constant of Henry
The following is true:
CO2 concentration C = 0.1 mol/L k for CO2 at 25 C = 3.4 * 10-2 mole/L atm
In accordance with eq(1),
p(CO2) = C/k
= 0.1 molL-1/3.4 *10-2 molL-1atm-1,
p(CO2) = 2.9 atm
Henry's law, a gas law in physical chemistry, says that the amount of dissolved gas in a liquid is inversely proportional to the partial pressure of the gas above the liquid. Henry's law constant is the name of the proportionality constant.
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If 52.7g of MgO is obtained, then what is the percent yeild of the reaction? 2Mg(s)+O2(g)—>2MgO(s)
Then 74.8 % is the percentage yield of the reaction.
What is percentage yield?The percentage yield indicates the amount of product received in relation to the maximum feasible mass. The percentage of atoms in reactants that create the intended product is given by the atom economy of a reaction.
In industrial chemistry, the percentage yield of a chemical process is an essential factor. It is possible to compute the yield (amount) of product obtained vs what might have been achieved in theory if all of the reactants were converted without loss or waste.
Given reaction:
2Mg(s)+O₂(g) → 2MgO(s)
42.5 gm of Mg = 42.5 / (24 g/mol)
= 1.77 mol
33.8 gm of O₂ = 33.8 gm / (32 g/mol)
= 1.06 mol
1.06 moles of O₂ will require (2 × 1.06) = 2.12 moles of Mg
But we have 1.77 moles of Mg, so here Mg is limiting reagent.
1.77 moles of Mg reacts with (1.77/2) = 0.89 moles of O₂ and forms 1.77 moles of MgO
Thus, theoretical yield of mass = 1.77 moles × (40 gm/mol)
= 70.8 gm
Actual yield = 52.7 gm of MgO.
So, Percentage yield = (Actual yield / theoretical yield) × 100
= (52.7 gm /70.8 gm) × 100
= 74.8 %
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The complete question is as follows:
Consider the reaction 2Mg(s) + O2(g) → 2MgO(s). 42.5 g of Mg reacts with 33.8 g of O₂. If 52.7 g of MgO is obtained, then what is the percent yield of the reaction? 54,0% 62.3% 0 67.1% 74.8%
a polymerization reaction involves removing oh from one monomer and h from another monomer to join the two molecules and make water (h2o). this type of reaction, where a small molecule is removed to join monomers, is known as a(n): addition polymerization condensation polymerization redox combustion
This type of reaction, where a small molecule is removed to join monomers, is known as condensation polymerization .
A polymerization is the process of the making of the polymer. the addition polymer is form by the linking of the monomers. the condensation is the process where the smaller molecules or the monomers join with each other and form the larger units. a polymerization reaction involves removing oh from one monomer and H from another monomer to join the two molecules and make water , H₂O.
Thus, this type of reaction, where a small molecule is removed to join monomers, is known as condensation polymer.
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if 4.6 g of cu3(po4)2(s) was recovered from step 1, what was the approximate [cu2 ] in the original solution? (the molar mass of cu3(po4)2 is 381 g/mol.)
The molar mass of cu3(po4)2 is 381 g/mol .The approximate [cu2 ] in the original solution is 0.30 M.
What is Molar Mass?One sample mole's weight is the molar mass. To determine the molar mass, connect the atomic masses (atomic weights) of each atom in the molecule. The mass of 1 mole of a compound is determined by its molar mass, which is measured in grammes per mole. The mass of a mole of a specific substance, expressed in grammes, is referred to as its molar mass. A mole is any material or compound that includes the Na number of constituents, such as atoms, molecules, or ions; Na is the Avogadros number, and Na = 6.023 1023. The total mass of the atoms that make up a molecule per mole, expressed in grammes, is known as the molar mass. In addition,To learn more about Molar Mass refer to:
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what conclusions can you make about the elements sodium, potassium, and francium?; what atoms combine to make up a molecule of water, h2o?; a majority of the 118 elements on the periodic table are classified as; what is the main principle behind the law of conservation of matter?; elements in the second group are extremely reactive they are called; elements in the first group are extremely reactive. they are called; the energy necessary to remove an outer shell electron from an atom.; what is group 2 on the periodic table called
Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). Group 2 on the periodic table called The Alkaline Earth Metals.
What is alkali metal?
Alkali metals are made up of the chemical elements lithium, sodium, potassium, rubidium, cesium and francium. Together with hydrogen, it forms group 1 of the s block of the periodic table.
Therefore, Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). Group 2 on the periodic table called The Alkaline Earth Metals.
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3. What does this picture represent?
The image is either representing the state of matter gas, or is representing how air particles spread out evenly across a room over time called equilibrium.
Which sample of copper has atoms with the lowest average kinetic energy? 1. 10. g at 45°C 2. 20. g at 35°C 3. 30. g at 25°C 4. 40. g at 15°C
At 15°C, 40 grams of copper have the lowest average kinetic energy.
What is average kinetic energy?The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases have the same average kinetic energy at the same temperature.Kinetic energy is the energy generated by the motion of particles or objects.The greater the temperature provided to an atom, the greater the movement of its particles. As a result, the atom's average kinetic energy will increase.Similarly, as a metal's temperature decreases, so does the movement of its molecules. As a result, at low temperatures, the movement of molecules is reduced.Thus, of the options presented, 40 gram of copper at 15°C will have the lowest average kinetic energy.To learn more about kinetic energy refer to :
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In an atom of argon-40, the number of protons
(1) equals the number of electrons
(2) equals the number of neutrons
(3) is less than the number of electrons
(4) is greater than the number of electrons
To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. Therefore, the number of protons always equals the number of electrons. The correct option is option 1.
What is atom?Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.
In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron. The number of protons always equals the number of electrons.
Therefore, the number of protons always equals the number of electrons. The correct option is option 1.
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prepare a conversion factor for a 48% w/w solution of hbr in water. (w/w stands for weight / weight.) double check your answer with your instructor when you get to lab.
If an aqueous solution with concentrated hydrobromic acidity contains 48% by mass of HBr, then the molarity of HBr is 8.9 M.
How do mol and molarity work?The term "Molarity" is derived from the unit of measurement called a mole, which is used to describe chemical substances. Determining the amount of substance present in a certain chemical solution is done using a concept known as molarity, commonly known as the molecular concentration of a solution.
What does 1 molarity mean?The most frequent measure of molarity in chemistry is the amount of moles per liter, denoted by the unit notation mol/L or mol/dm3 in SI units. A solution with a level of one mol/L is referred to as 1 molar, or 1 M.
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The correct question is :
An aqueous solution of concentrated hydrobromic acid contains 48% HBr by mass. If the density of the solution is 1.50 g/mL, what is its concentration?
What are Chemical Properties? Meaning & Examples
A chemical property is a characteristic of a specific substance that can be seen in a chemical reaction.
What is a chemical property?Chemical properties are traits of a specific substance that can be seen in a chemical reaction. Flammability, toxicity, heat of combustion, pH level, radioactive decay rate, and chemical stability are a few important chemical qualities.The process by which one material transforms into another is known as a chemical transformation or reaction. Chemical attributes can then be seen because the substances' features are changing during this process.A physical property, which encompasses qualities like shape (volume and size), color, texture, flexibility, density, and mass, is to be distinguished from a chemical property.To Learn more About chemical property refer To:
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The primary responsibility for investigating allegations of research misconduct belongs to:A. Office of Research Integrity (ORI)
B. Researcher(s)
C. Research institution(s)
D. B and C.
E. A, B and C.
The primary responsibility for investigating allegations of research misconduct belongs to Office of Research Integrity (ORI). Option A
What is research misconduct?We say that a researcher is guilty of research misconduct if the researcher has been found to be found to be engaged in an action that seems to have undermined the principles of ethics. This implies that the research have not been able to follow the standard operation protocol as he or she is carrying out the research.
For instance, in the area of the social sciences, it could be a research misconduct of the identity of the subjects that have taken part in the experiment is made public to the society and this is done without the consent of the subject. This is a violation of the privacy of the subject.
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