1.) Alkenes are important building blocks in organic synthesis. They are widely used as starting materials for the preparation of other organic compounds, such as alcohols, ethers, and aldehydes.
2.) Alkenes are widely used in the polymer industry to make a wide range of plastics, such as polyethylene and polypropylene, which are used in packaging, textiles, and consumer goods.
3.) Alkenes are used in catalytic processes, such as catalytic cracking and dehydrogenation, to produce important chemicals such as gasoline, diesel fuel, and ethylene, which are used in the production of many other chemicals.
4.) Alkenes are also important in petrochemical industry as starting materials for the production of many other chemicals such as solvents, lubricants, and other products. Alkenes are also used as intermediates in the synthesis of fine chemicals such as pharmaceuticals, agrochemicals and fragrances.
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A saturated AgCl solution was analyzed and found to contain 1.25 x 10-5 M Ag ions. Use this value to calculate the K, of AgCl
The Ksp of AgCl can be calculated using the formula Ksp = [Ag+]2[Cl-]. Since the AgCl solution is saturated, the concentration of both Ag+ and Cl- ions are equal to the initial concentration of Ag+, which is 1.25×[tex]10^{-5}[/tex]M. Thus, the Ksp of AgCl is equal to 1.5625×[tex]10^{-10}[/tex]:
Ksp = [Ag+]2[Cl-]
= (1.25×[tex]10^{-5}[/tex])2
= 1.5625×[tex]10^{-10}[/tex]
This value of Ksp indicates that the solubility of AgCl in the solution is very low, which means that the solution is saturated with AgCl and no more AgCl can be dissolved in the solution. This also implies that the solution is at equilibrium, with the concentration of all the species in the solution being constant.
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A solution containing which one of the following pairs of substances will be a buffer solution? A solution containing which one of the following pairs of substances will be a buffer solution? AgBr, HBr CuCl, HCl CsI, HI KI, HI none of the above
Which of the halves that of compounds will make up the buffer solution in a solution Any of the halves that of substances, when present in a solution, will make it a buffer solution None of the above.
What exactly is a buffer solution?As a result, it's essential to have liquids whose pH doesn't really alter even when strong alkalies nor strong acids are added. These are referred to as buffer solutions. The ability of a buffer to withstand a change in pH is known as buffer capacity.
What makes it a buffer solution?it can neutralize a small amount of additional acid or base, the pH of the liquid is kept comparatively steady.
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In cumulene, what are the c-c-c and h-c-h bond angles, respectively?
In cumulene, the C=C=C bond angle is 180°, and the H-C-H bond angle is 120°.
Bond angle is known as the angle present between the two bonds i.e. angle between the two orbitals containing bonding electron pairs around the central atom in a complex molecule as well as ion.
C=C=C bond angles are the internal carbon atoms are each directly bonded to two other carbon atoms, so they are each AX₂ systems. According to VSEPR theory, the bond angle in an AX₂ system is 180 °.
H-C-H bond angles: Each carbon atom will be directly bonded to the other three carbon atoms (C, H, and H), so they are each AX₃ systems. According to VSEPR theory, the bond angle in an AX₃ system is 120 °
-- The given question is incorrect, the correct question is
" In cumulene, what are the C=C=C and H-C-H bond angles, respectively"--
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which components make up the structure of an atp molecule?
An ATP (adenosine triphosphate) molecule is made up of three main components:
1. Adenosine: a nitrogenous base that is composed of adenine, a nitrogen-containing base, and ribose, a five-carbon sugar.
2. Three phosphate groups: These are molecules that consist of a phosphate ion (PO4) and an organic molecule. In ATP, the three phosphate groups are connected to the ribose sugar in a linear fashion, forming a "triphosphate" molecule.
3. A high-energy bond: The high-energy bond is located between the second and third phosphate groups. This bond is formed by the transfer of a phosphate group from the third to the second position, releasing energy that can be used by cells for various metabolic processes.
Together, these three components make up the structure of an ATP molecule, which is considered the "energy currency" of cells.
It acts as a carrier of energy derived from the breakdown of food molecules, like glucose, to the energy-requiring reactions in the cell.
It's worth noting that, The structure and properties of ATP are essential for its function as a primary energy carrier in all living organisms.
MnO−4(aq)+CH3OH(aq)→Mn2+(aq)+HCO2H(aq) (acidic solution) Express your answer as a chemical equation. Identify all of the phases in your answer.
The products remain in aqueous solution, so all phases in the reaction are aqueous.
What is aqueous solution?An aqueous solution is a solution in which the solvent is water. In it, the solutes are dissolved in the water and form a homogenous mixture. Many substances can dissolve in water, including salts, acids, bases, and other organic compounds. Aqueous solutions are used for many purposes in the natural world, including for metabolic processes, and for cleaning and sterilizing.
MnO4−(aq) + CH3OH(aq) → Mn2+(aq) + HCO2H(aq)
Phases:
MnO4−(aq): Aqueous
CH3OH(aq): Aqueous
Mn2+(aq): Aqueous
HCO2H(aq): Aqueous
The reaction is an acid-base neutralization reaction where the acidic oxyanion MnO4− reacts with the base CH3OH to form the acidic product HCO2H and the cation Mn2+. The products remain in aqueous solution, so all phases in the reaction are aqueous.
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A vitamin tablet has a mass of 330 milligrams. What is the mass of the tablet in grams?
You received the instructions for this assignment in Lesson: Pericles' Funeral Oration. Here are those instructions again, as a reminder: Review the definition and examples of rhetorical devices from the Nonfiction: Introduction lesson. Create TWO Venn diagrams: one will be made up of circles labeled ethos, logos, and pathos and one will cover 2-3 other devices of your choice. Keep track of the rhetorical devices that you find in today's nonfiction selection by Pericles, as well as next week's selections from Hannah Moore, Empress Theodora, Mary Wollstonecraft, Augustine, and C.S. Lewis (6 texts in total). For each work of nonfiction, choose at least three examples of rhetorical devices. That means you will need 3 examples x 6 nonfiction texts
Make TWO Venn diagrams: one with circles labeled with the words ethos, logos, and pathos, and the other with 2-3 additional devices of your choice. Pericles extols Athens in order to keep the struggle going.
What is a good example of pathos?Even when emotion clashes with our sense of logic, it can still be incredibly compelling. In persuasive rhetoric or other types of writing, an appeal to emotion is referred to as using pathos.
Ethos vs. pathos: what are they?The writer's personality is drawn to ethos. Ethos can equally be seen as the author's posture inside the argument and indeed the strength of the reporter's evidence. In addition to beliefs, pathos appeals to the sympathetic imagination and emotions.
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Which element would mostly likely have an electron affinity measuring closest to zero
Noble gases in Group VIII have electron affinities that are close to zero because each atom has a stable octet and does not readily accept an electron.
Both electron affinity and electron negativity have a downward trend over time. The electron affinity is also 0 if the electron negativity is 0. Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn), and Oganesson are the elements with no affinity for electrons (Og). Affinities for electrons can be zero, negative, or positive. Noble gases in Group VIII have electron affinities that are close to zero because each atom has a stable octet and does not readily accept an electron. There is no tendency for noble or inert gases to gain an electron. Its electron affinity is therefore zero.
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charlie is balancing an equation. she has identified the atoms and counted the number of each in the reactants and products. what would charlie adjust to make the number of atoms in the reactants the same as the number of atoms in the products?coefficientssubscriptssuperscriptsparentheses
After identifying the atoms and counting the quantities of the reactants and products in the equation, Charlie makes the necessary adjustments to the coefficients so that the number of atoms in the reactants and products are equal.
What is an atom?An atom is made up of a core negatively charged nucleus and one or more circling electrons. The positively charged, relatively large protons and neutrons that make up the nucleus could be present. But for the origin of the name "atom," we must look to 400 B.C. in ancient Greece. Greek philosopher Democritus proposed the usage of the word atomos, which meaning "uncuttable," in this sentence. Ultimately, he asserted, all matter may be reduced to singular, tiny particles called atomos.
How atoms are formed?An atom is made up of protons, neutrons, and electrons that orbit a core nucleus. Uranium splits into smaller atoms and creates new atoms during the fission process. There have been a tremendous number of atoms generated, as evidenced by the Big Bang and supernova events.
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Which of the molecules below will be polar?
CS2, BF3, SO2, CH3Br
CH3Br only
CS2 only
Both BF3 and CH3Br
Both SO2 and CH3Br
Both SO2 and CH3Br are polar molecules from of the given molecules in the question.
A polar molecule is what?Negative and positive charge areas are found in polar compounds. An illustration of a polar substance is water. Due to its structure and the sort of bonds it contains, the molecule has a small amount of positive on one end and a small negative charge on the other.
Polar and nonpolar molecules: what are they?When something differs on either end, we say it is polar. These molecules are referred to as polar molecules since they have both positive and negative ends. In that case, we call them non-polar. Polar objects are capable of both attraction and repulsion.
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the equilibrum constant Kp for teh reaction SO2 NO2 --> SO3 NO is 3 find the pressure of NO2 that must be added to 2.4 atm of SO2 in order to form 1.2 atm of SO3 at equilibrium
The equilibrium constant Kp for the reaction :
SO₂ + NO₂ ⇄ SO₃ + NO is 3. The pressure of the NO₂ is 0.18 atm.
The reaction is
SO₂ + NO₂ ⇄ SO₃ + NO
Kp = [ SO₃ ] [NO] / [SO₂ ] [ NO₂ ]
The equilibrium constant ,Kp = 3
P [ SO₂] = 2.4 atm
P [ SO₃ ] = 1.2 atm
P [NO] = 1.1 atm
Kp = [ SO₃ ] [NO] / [SO₂ ] [ NO₂ ]
3 = 1.2 × 1.1 / 2.4 [ NO₂ ]
3 = 1.32 / 2.4 [ NO₂ ]
[ NO₂ ] = 1.32 / 7.2
[ NO₂ ] = 0.18 atm
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Propose a plausible two-step mechanism for the reaction given below with the steps provided. A+2B → C + E (slow) D + B → E (fast) 2B → C + E (slow) A + E → D (fast) A+B→C+D(slow) A+B→C+E(slow) A+B→C+E(fast) A+B→C+D(fast) D→C+E(fast) Overall Reaction: A+2B → C + E Experimentally Determined Rate Law rate = MA][B] Two-Step Mechanism: Step 1: _______
Step 2: _______
Rate determining step must have A and B in reactant.
Step 1: A + B —> C + D (slow)
Step 2: D + B —> E (fast)
What exactly is a reactant?Reactants are the chemicals that take part in a chemical reaction. The process through which atoms, the fundamental constituents of matter, rearrange themselves to create novel combinations is known as a chemical reaction. Raw materials are reactants because they interact with one another.
What makes water a reactant?In a particular process known as hydrolysis, water serves as a reactant. Water serves as the reaction's molecule capable of dissolving the bonds holding the larger molecules together. By causing the links between the molecules to dissolve during hydrolysis, simpler molecules are created.
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although terry knew all of the elements of the periodic table last year in chemistry class he cannot answer a particular question on the act science section because he simply cannot think of the atomic number for iron. which of the three memory processes is failing terry?
A: Retrieval. Terry has the knowledge stored in his long-term memory, but he cannot retrieve it in time to answer the question on the ACT science section.
What is Retrieval?Retrieval is the process of retrieving information from a storage system. It is the process of locating data or information stored in a computer system, such as a database, and accessing it for use. Retrieval can involve searching for particular items or data, or it can refer to the process of retrieving a certain type of data from a larger collection. Retrieval is a fundamental component of information management and is used in a wide variety of contexts, from businesses to libraries and universities.
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a solution of ammonia has a ph of 11.8. what is the concentration of oh– ions in the solution?
useful formulas include [H3O^+] = 10^-pH, [OH^-] = 10^-pOH, pH + pOH =14, and [H3O^+][OH^-] = 10^-14
o 1.58 x 10^-12M
o 6.31 x 10^-3M
o 2.20 M
o 158 M
The concentration of OH⁻ ions in the solution is 6.309 x 10^-3 m.
Concentration is termed as the abundance of a constituent divided by the total volume of a mixture.
Ammonia is a colorless irritating gas with sharp suffocating odor. It will dissolve easily in water to form ammonium hydroxide solution which causes irritation and burns. Ammonia gas is easily compressed and it forms a clear as well as colorless liquid under pressure.
pH and pOH are related by an equation:
pH + pOH = 14
11.8 + pOH = 14
pOH = 14 - 11.8
pOH = 2.2
Concentration of OH- ions is given by -
pOH = -log[OH-]
[OH-] = antilog(-2.2)
[OH-] = 6.309×10^-3 m
Hence, concentration of [OH-] is 6.309×10^-3 .
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which component of the glycolytic pathway undergoes an oxidative decarboxylation, with the resulting product being fed into the citric acid cycle?
Pyruvate is the he component of the glycolytic pathway that undergoes an oxidative decarboxylation and feeds into the citric acid cycle.
what is the product obtained in decarboxylation process of pyruvate?Pyruvate decarboxylation is the process that converts pyruvate, the end product of glycolysis, into acetyl-CoA, which is then fed into the citric acid cycle for further oxidation and energy production. This process involves the loss of a carbon dioxide molecule and an oxidation reaction. During pyruvate decarboxylation, pyruvate loses a molecule of carbon dioxide (CO2) and is oxidized to form acetyl-CoA. The carbon dioxide is released as a waste product, while the remaining two-carbon molecule (acetyl) is fed into the citric acid cycle. In the citric acid cycle, the acetyl group is further oxidized and broken down, releasing more energy in the form of ATP. The citric acid cycle also produces carbon dioxide and water as waste products.
What is pyruvate in glycolysis process?Pyruvate is the end product of glycolysis, a metabolic pathway that breaks down glucose to produce energy. In the next step, pyruvate is transported into the mitochondria where it undergoes a process called pyruvate decarboxylation. In this process, pyruvate is converted into acetyl-CoA by a series of enzyme-catalyzed reactions.
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What can you do for an science experiment?
Answer:
Chromatography Elephants Toothpaste
Colour Changing Potions
Explanation: or Easy Vinegar and Baking Soda Volcano
8. all electronic components are formed from p-type and n-type materials. what factors determine the kind of components formed?
The factors that determines the type of semi conductor formed are;
i) The base material
ii) The kind of material used in doping.
What are semiconductors?We know that in the case of the metallic conductors, the resistance of the object would be determined by temperature of the object and the same can also be applied to the semiconductor.
We have the p type and we have the n type semiconductors and this is determined by the kind of base materials and the materials used in doping the semi conductors.
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which energy level around the nucleus of an atom has the lowest energy ?
The excited state has the maximum energy level whereas the ground state has the lowest energy available.
Which energy level has the least energy surrounding an atom's nucleus?The least energetic electrons are those in energy level I, also known as energy level K. Higher level electrons have greater energy as you move out from the nucleus, and this energy gain is stable and discontinuous.
Each major energy level has a single sublevel with a s orbital, which may hold up to two electrons. The lowest energy electrons in that primary energy level are those in this orbital, known as s electrons. One proton and one neutron make up the mass of a deuteron.
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if we react 30 grams of ethane (c2h6 ) with 320 grams of oxygen, how many grams of carbon dioxide would we make? 2 c2h6 (g) 7 o2 (g) 4 co2 (g) 6 h2o (g)
How much carbon dioxide would result from the reaction of 30 grams or ethane (c2h6) and 320 grams of oxygen Size of 2 moles 80 grams of CO2 are equal to one mole and one molar mass.
Exactly what does ethane look like?Natural gas called ethane is incredibly common in the world. In fossil fuels, a greenhouse gas is present. Natural gas contains a 5–10% percentage of it in its makeup. A key gaseous fuel with in petrochemical industry and a significant component of natural gas is ethane.
What state is ethane in?Ethane is just a colorless and odorless gas with no odor at standard pressure and temperature. The temperature at which it boils is 88.5 °C (127.3 °F), while the temperature at which it melts is 182.8 °C (297.0 °F). There are various variations of solid ethane.
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a catalyst will decrease the activation energy by roughly 12 kj/mol at room temperature (25 c). it will likely increase the reaction rate by
The exact effect of a catalyst on a reaction rate depends on the specific reaction.
What is reaction rate?Reaction rate is a measure of how quickly a chemical reaction proceeds. It is usually expressed as the amount of a substance that is converted or produced over a given period of time. Reaction rate is an important factor in many areas of chemistry including chemical engineering, biochemistry, and pharmacology. It is also a key parameter in the study of catalysts and enzyme kinetics. Reaction rates are affected by a variety of factors, such as reactant concentration, temperature, and the presence of a catalyst.
Generally speaking, catalysts can increase the reaction rate by several orders of magnitude (e.g., from seconds to nanoseconds). In some cases, it may even be possible for a catalyst to increase the reaction rate by a factor of over a million.
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consider a reaction that produces a significant amount of hydrogen ion and is to be carried out a ph 7. only two acids are available for making the buffer solution. the pka values for acids a and b are 6.3 and 7.3, respectively. which acid would serve as the optimum buffer for this reaction? or would carrying out the reaction in water simply serve as well?
Consider a reaction that produces a significant amount of hydrogen ion and is to be carried out a pH 7. The acid would serve as the optimum buffer for this reaction is the acid A.
The pH = 7
The pka value of the acid A = 6.3
The pka value of the acid B = 7.3
The buffer range is given as :
For acid A = (pka + 1 ) to (pka - 1)
The optimal buffer range is the range of the buffer in the dissociation constant of the weak acid to the buffer pka plus or the minus pH unit.
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At room temperature I2(s) is a molecular solid. Which of the following provides a characteristic of I2(s) with a correct explanation?O It has a high melting point because it has weak intermolecular forces.
O It is hard because it forms a threedimensional covalent network.
O It is not a good conductor of electricity because its valence electrons are localized in bonding and nonbonding pairs.
O It is very soluble in water because its molecules are polar.
Due of the weak intermolecular interactions, it has a high melting point.
A force that attracts the protons or positive parts of one molecule to the electrons or negative parts of another molecule is known as an intermolecular force. A substance's various physical and chemical properties are influenced by this force. The strength of an object's intermolecular forces determines its boiling point; the higher the intermolecular forces, the higher the boiling point.
We can compare the intermolecular forces between different substances by comparing their boiling points. This is so that these intermolecular interactions can be broken and the liquid can be transformed into vapour using the heat that the substance absorbs at its boiling point.
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which of the following salts, when added to water, will result in a solution with ph = 7.00?
(a.) Ca(NO2)2
(b.) NaNO3
(c.) FeCl3
(d.) NH4NO3
Among the following salts, when added to water, will result in a solution with pH = 7.00 is (b) NaNO₃
The chemical formula for sodium nitrate is NaNO₃, and it occurs in the form of a white solid that is crystalline. It is a nitrate salt that is inorganic and of an alkaline metal. It dissolves easily in water and has applications in the manufacture of things like fertilizers, glass, and solid rocket propellant, among other things. Sodium nitrate is a powerful oxidizing agent that does not support combustion and is safe to handle.
The chemical reaction between a strong base (NaOH) and a strong acid (HNO₃) results in the formation of the salt NaNO₃. They are neutral salts. Therefore, the pH level ought to be 7.
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Two school classes are playing tug-of-war with a rope. one class pulls on the rope with a 75 n force to the left, the other pulls with a 40 n force to the right. which two statements describe this situation? a. the forces are balanced, and the rope does not move. b. the forces are unbalanced, and the rope will move to the left. c. the net force on the rope is 115 n to the right. d. the net force on the rope is 35 n to the left.
Two school classes are playing tug-of-war with a rope. The correct two statements are : b. the forces are unbalanced, and the rope will move to the left and d. the net force on the rope is 35 n to the left.
Two school classes are playing tug-of-war with a rope. one class pulls on the rope with a 75 n force to the left, the other pulls with a 40 n force to the right. The forces are unbalanced. When the fore resulting on the body is not equal to the zero the forces are called as the unbalanced forces.
The net force = 75 N - 40 N
= 35 N
Thus, the net force is 35 N.
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according to the data in model 3, how does the length of the bond between the hydrogen atom and the center atom of a binary acid affect the strength of the acid?
According to the data in model 3, the length of the bond between the hydrogen atom and the center atom of a binary acid has an inverse relationship with the strength of the acid.
That is, as the bond length increases, the acid strength decreases.
In a binary acid, the strength of the acid is determined by the strength of the bond between the hydrogen atom and the center atom. A stronger bond results in a stronger acid, and a weaker bond results in a weaker acid.
The strength of a chemical bond is determined by the distance between the two atoms in the bond. The shorter the distance, the stronger the bond.
Therefore, as the distance between the hydrogen atom and the central atom in a binary acid increases, the bond becomes weaker and the acid becomes weaker.
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a sample of a hydrocarbon contains 2.59x1023 atoms of hydrogen and is 17.3% hydrogen by mass. if the molar mass of the hydrocarbon is between 55 and 65 g/mol. what is the molecular formula of the compound?
The molecular formula of a compound containing 2.59 × 10²³ atms of hydrogen and 17.3% hydrogen by mass is C₄H₁₀.
Let us assume that we have 100g of the original sample.
The number of moles of C and H can be calculated as:
Number of moles of H
= 17.3g × 1 mol H/ 1.008g
=17.2 mol
Number of moles of C
=(100-17.3)g × 1 mol C / 12.01 g C
=6.89 mol C
The smallest atomic ratio for H is
=17.2/6.89
=2.50
The smallest atomic ratio for carbon is
=6.89/6.89
=1
To round off the smallest atomic ratio, we need to multiply both of them by 2
Thus, smallest atomic ratio for carbon= 1×2=2
smallest atomic ratio for hydrogen= 2.5×2 =5
Thus, the empirical formula is C₂H₅
let, (C₂H₅)n be the molecular formula
molecular mass of the compound C₂H₅= 58 g
⇒ (C₂H₅)n =58
⇒(2×12+15)n =58
⇒n= 58/29
⇒n=2
Thus molecular formula of the compound (C₂H₅)₂ is
=C₄H₁₀
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a gas is in a sealed container. by what factor does the gas pressure change if a. the volume is doubled, and the temperature is tripled?;
PNew = 3/2 P.
Here, PNew is the new pressure generated in the sealed container by the Ideal gas law, when the volume is doubled and the temperature is tripled. Ideal gases are the gases which follows Ideal gas properties.
According to Ideal gas law,
PV= nRT
P = nRT / V
Now,
VNew = 2V
TNew = 3T
So, the change in pressure will be
PNew VNew = nRTNew
PNew (2V)= nR(3T)
PNew = 3/2 (nRT / V)
PNew =3/2 P.
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which substance is the limiting reactant when 16.0 g of sulfur reacts with 10.0 g of oxygen and 12.0 g of sodium hydroxide according to the following chemical equation?
b) NaOH(aq) is the limiting reactant when 16.0 g of sulfur reacts with 10.0 g of oxygen and 12.0 g of sodium hydroxide.
How to find the limiting reactant of a given chemical reaction?Initial amount in the reaction:
sulfur S: 16 x 1/32 => 0.5 mol
oxygen O : 10 x 1/16 => 0.625 mol
NaOH : 12 x 1/40 => 0.3 mol
Amount used in the reaction:
0.5 mol of S
oxygen : 0.5 x 3 mol O/2 mol S => 0.75 mol
NaOH : 0.5 x 4 mol NaOH/ 2 mol S => 1 mol
Amount left in the reaction:
Sulfur : 0
Oxygen : 0.125 mol
NaOH : -0.7 mol
Since we cannot have a substance in a negative quantity, sodium hydroxide is the limiting reactant in this scenario (NaOH).
What does "limiting reactant" refer to?The reactant that is consumed first in a chemical reaction, also known as the limiting reactant (or limiting reagent), limits the amount of product that can be produced.
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which substance is the limiting reactant when 16.0 g of sulfur reacts with 10.0 g of oxygen and 12.0 g of sodium hydroxide according to the following chemical equation?
2 S(s) + 3 O2(g) + 4 NaOH(aq) → 2 Na2SO4(aq) + 2 H2O(l)
a)S(s)
b) NaOH(aq)
c) Na2SO4(aq)
d)O2(g)
a potato contains 20 g of carbohydrates. if carbohydrate has a caloric value of 4 kcal/g, how many kcal are obtained from the carbohydrate in the potato? a. 5 kcal b. 20 kcal c. 40 kcal d. 60 kcal e. 80 kcal
Potato will contain 20 g of carbohydrates. If carbohydrate having a caloric value of 4 kcal/g then 80 kcal will be obtained from the carbohydrate in the potato.
Calorific value: It is termed as the total amount of heat released by the complete combustion of a specified amount of a fuel or food. A calorific value of a substance (generally, food or solid biofuel) is the specific energy of combustion for a unit mass. It is generally measured in J/g or kcal/g.
Calorific value of carbohydrate = 4 kcal/g
The amount of carbohydrate in potato = 20 g
1 g of a carbohydrate will gives 4 kcal of energy
20 of carbohydrate will give
= 20 × 4
= 80 kcal
So, the given potato will give 80 kcal.
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a redox reaction occurs between aluminum and chromium with the half-reactions shown. what can you conclude about the spontaneity of the reaction
The half-reactions depicted are part of a redox reaction between aluminum and chromium. You can draw the following conclusion on the reaction's spontaneity: Al3+(aq) + Cr(s) = Al3+(aq) + Cr(s) Eo = 0.92 V
Give an illustration of what a redox reaction is.In a chemical reaction, a substance that is being oxidized is known also as reducing agent, and the opposite is true for a molecule that is being reduced. An illustration of a zinc and copper redox reaction
Just what makes this one a redox reaction?Redox reactions, like displacement reactions, occur when one species loses electrons while the other gains them (gaining electrons).
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