The theoretical yield (which it is the equal of what number of gram) of silver chloride, AgCl, may be created from eighty five.0 g of silver nitrate while it's miles blended with excess of sodium chloride is eighty two.eight %.
Calculation :
AgNO₃ +NaCl --> AgCl + NaNO₃
m = eighty five g
M = 169.87 g mol⁻¹
n = m/M
for AgCl ,
zero.five = m/143.2 g mol⁻¹
m = 71.66 g
N₂O₄ + 2N₂H₄ --> 3N₂ + 4H₂O
m = forty g 3.5g
M= ninety two.02 32.05
n = zero.434 1.092
From equation it is clean that , 1 mole of N₂O₄ requrire to react with 2 moles of N₂H₄ . but we've got , less than half moles of N₂O₄ is in less ammount . so it's miles restricting react .
now , 1.302 mole = mass/28.01 g mol⁻¹
mass of N₂ = (1.302 mol)(28.01 g mol⁻¹)
= 36.469 g
% yield = (real yield/ theoritical yield)*one hundred
=(30.2g/36.469 g)*100
= 82.8 %
Consistent with the elements of Chemical reaction Engineering guide, yield refers to the amount of a selected product formed per mole of reactant fed on.[3] In chemistry, mole is used to explain quantities of reactants and products in chemical reactions.
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place the steps involved in catalytic hydrogenation in the correct sequence,
Alkynes have a higher rate of hydrogenation than alkenes because they are more thermodynamically unstable, less hindered, and linear than alkenes. Consequently, the option will be the right response.
A hydrocarbon that is unsaturated and has at least one triple bond between carbon atoms is referred to as an alkyne in organic chemistry. [1] The homologous series of the simplest acyclic alkynes, which have just one triple bond and no other functional groups, has the generic chemical formula CnH2n-2. Alkynes are typically referred to as acetylenes, while the name also precisely refers to C2H2, which is technically known as ethyne using IUPAC nomenclature. Alkynes are typically hydrophobic, just like other hydrocarbons. Alkynes are unsaturated, nonpolar hydrocarbons with characteristics that are comparable to those of alkanes and alkenes. Alkynes are insoluble in water, barely soluble in polar solvents, and soluble in organic solvents. The boiling points of alkynes are somewhat higher than those of alkanes and alkenes. important reference Alkenes and alkynes are hydrocarbons. Alkynes and alkenes, both of which are also known as olefins and acetylenes, are within the category of unsaturated aliphatic hydrocarbons. Alkynes have a carbon-carbon triple bond, whereas alkenes only have a carbon-carbon double bond.
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russia has a variety of natural resources, including oil, natural gas, timber, iron ore, copper, and lead.
The compound sentence is Russia has a variety of natural resources such as oil, natural gas, timber, iron ore, copper and lead as well.
A compound sentence is a sentence that is formed from two more simple sentence by using the connective words.
For an example if sentence 1 is "It is raining" and sentence 2 is "It is cold" then the compound sentence of both the above sentences will be "It is raining and it is cold".
Now, Russia has a variety of natural resources, including oil, natural gas, Timber, iron ore, copper and lead.
This statement is a simple sentence.
This statement can be return as a compound sentence as follows,
Russia has a variety of natural resources such as oil natural gas and lead as well.
Here, we have used the word "such as" as a connective.
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Complete Question - Russia has a variety of natural resources including oil, natural gas, timber, iron ore, copper and lead (change into compound sentence)
a molecule has the molecular formula c3h4cl2 a. calculate the degrees of unsaturation for this molecule. b. using the 1h spectrum below, propose a structure for the molecule. from left to right, the integrations are 5.63, 5.65, 11.28 c. indicate which proton in the molecule belongs to which peak in the nmr spectrum.
Our given molecule is missing 6 hydrogen atoms. Each pair of lost hydrogen atoms is equivalent to one degree of unsaturation in a hydrocarbon.
How do you calculate degrees of unsaturation?Image result for a molecule has the molecular formula c3h4cl2 a. calculate the degrees of unsaturation for this molecule.First, the maximum number of hydrogens possible for a given compound (2C + 2) is calculated and then the actual number of hydrogens present in the compound (H) is subtracted. If this difference is then divided by 2 the answer will be equal to the degrees of unsaturation for the compound.As we are not provided with ¹H-NMR spectrum therefore we can not conclude a single result for the minor chlorination of propane with Molecular formula C₃H₆Cl₂.Hence, we will draw all the possible isomers with molecular formula C₃H₆Cl₂ and predict the ¹H-NMR spectrum for each of them separately.Below is the structures of possible minor products and the NMR spectrum respectively.Possible Product A:
If the minor product formed is 2,2-Dichloropropane then it will give only one singlet peak in NMR spectrum.
Possible Product B:
If the minor product is 1,1-Dichloropropane then it will exhibit two triplets and one multiple as shown in figure.
Possible Product C:
If the minor product is 1,2-Dichloropropane then it will give four peaks in NMR. The extra peak is formed due to two enantiomers about the chiral carbon.
Possible Product D:
If the minor product is 1,3-Dichloropropane then it will exhibit one triplet and one quintet signal as shown in figure.
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examine the image and select the statements that correctly describe this molecular depiction. the squiggly arrows pointing toward the interior of the container imply heat is added to the gas.
Both a gas and a liquid will adapt their shape to that of their container. A gas will adjust its volume to fit inside the container. Solids are typically denser than liquids, which are denser than gases. There is not much room between the particles in the solid, which are touching.
The particles' energy content and interactions with other particles have an impact on how much they move. The kinetic energy increases with the rate of vibration and particle movement. Solids have the lowest kinetic energy because they vibrate in place and are closely packed.
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manufacturers use citric acid as a flavoring agent in soft drinks, fruit juices, and many other foods. worldwide, the market for citric acid is valued at hundreds of millions of dollars per year. commercial production uses the mold aspergillus niger, which metabolizes sucrose under carefully controlled conditions. the yield of citric acid strongly depends on the concentration of fecl3 in the culture medium, as indicated in the graph. Why does the yield decrease when the concentration of Fe3+ is above or below the optimal value of 0.5 mg/L?
Iron supplements increase results in increased formation of NaOH buy citric acid cycle and does increase mitocondrial oxygen consumption and ATP formation phosphorylation .this in turn to Deacon regulation EP glucose utilization. the yield of citric when Fe³⁺ is above or below 0.5 mg/l
as is forms coordinating complex for Fe³⁺ to be captured by electron donating group oxygen.
In chemical reaction engineering, "yield," "conversion," and "selectivity" refer to the amount of reactants reacted - conversion rate, the amount of desired product formed - yield, and the amount of desired product formed - yield. A term used to describe the ratio of formed quantities. Selectivity to undesired products - represented as X, S, and Y. In chemistry, moles are used to describe the amount of reactants and products in chemical reactions.
The Compendium of Chemical Terminology defines yield as "a ratio that expresses the efficiency of a bulk conversion process." The yield factor is the cell mass (kg) or product formed (kg, mol) versus substrate consumed (kg or mol of carbon or nitrogen source or oxygen) or intracellular ATP production (mol). is defined as the amount of "
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The IUPAC name of the following epoxide is НЫС H H CH2CH3 cis-2-ethyl-3-methyloxirane. trans-2-ethyl-3-methyloxirane. trans-1-ethyl-2-methyloxycyclopropane. trans-1-ethyl-2-methylethane epoxide.
The provided epoxide is known by its IUPAC name, trans-1-ethyl-2-methyloxycyclopropane. This is due to the fact that in the oxirane system, the methyl and ethyl groups are trans to one another.
Whether in a continuous chain or a ring, the longest chain of carbons joined by a single bond serves as the basis for IUPAC nomenclature. According to a particular set of priorities, all deviations, whether multiple bonds or atoms other than carbon and hydrogen, are denoted by prefixes or suffixes. Its molecular weight is 84.16 and its chemical formula is C6H12. The chemical is also known as trans-1-methyl-2-ethylcyclopropane.
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what is the maximum number of formula units of NaCl in one mole?"
Since one mole of every substance contains 6.0 * 10²³ formula units, the maximum number of formula units in one mole of NaCl is 6.0 * 10²³ formula units.
What are formula units in a substance?Formula units refer to the empirical formula of one mole of any substance.
One mole of every substance contains the same amount of formula units.
The number of formula units in 1 mole of a substance is given by the Avogadro number.
The Avogadro number is equal to 6.0 * 10²³ particles.
Hence 1 mole of NaCl will contain 6.0 * 10²³ NaCl particles.
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when are the four forces that act on an airplane in equilibrium?; what force makes an airplane turn; an airplane said to be inherently stable will; to maintain constant airspeed and constant altitude, what must happen?; what do you need to do to maintain a constant altitude?; at the top of a projectile's path above earth, the acceleration of an object; what is the relationship of lift, drag, thrust, and weight; examples of balanced forces
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Sketch and label Rutherford and Bohrs models of the atom
In 1915, Neil Bohr proposed the Bohr model of the atom. It was made possible by modifying Rutherford's atomic model.
What is difference between Rutherford and Bohr Model ?The Rutherford and Bohr models describe the structure of an atom. Ernest Rutherford proposed the Rutherford model in 1911. Niels Bohr proposed the Bohr model in 1915. The Bohr model is thought to be a modification of the Rutherford model. The primary distinction between the Rutherford and Bohr models is that the Rutherford model does not explain the energy levels in an atom, whereas the Bohr model does.The Rutherford model of the atom states that an atom is made up of a central core in which nearly all of the atom's mass is concentrated, and light weight particles move around this central core. It also states that the central core is positively charged, while constituents moving around it are negatively charged.The Rutherford model has been modified by the Bohr model. This model was proposed based on the hydrogen atom's line spectra. According to this model, electrons always travel in specific shells or orbits around the nucleus. According to the Bohr model, these shells have different energies and are spherical in shape.To learn more about Rutherford model refer :
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An oxidation-reduction reaction that is also a synthesis reaction
A. 2Mg(s) + O2(g) --> 2 MgO(s)
B. Pb^2+(aq) + CrO4^2-(aq)--> PbCrO4(s)
The example of a chemical combination that can also be said to be a synthesis reaction is; [tex]2Mg(s) +O_{2} (g) -- > 2 MgO(s)[/tex]
What is a synthesis reaction?We know that the meaning of the synthesis reaction is quite central as we attempt to answer the question that is lying right before us here. If we are talking about the synthesis reaction then our mind must have to go to the kind of reaction in which there is the combination of two or more so as to produce a single compound.
As we are talking about the synthesis reaction, we would have to look at the reaction that would give rise to a single product as it has been written. Let us also recall that we have been told that the reaction is a oxidation-reduction reaction thus there is a change in oxidation number in the process of the reaction as shown.
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a student observed crystals starting to form at a temperature of 65.5 degree C in a solution containing 4.52 g of solute in 2.75 g of water. express the solubility in g solute/100g water
The solubility in g solute/100g water of the solute is 164.4 g solute / 100 g of water.
What is the solubility of a solute?The solubility of a solute is the maximum amount of solute that can dissolve in a given amount of solvent or solution at a particular temperature.
The amount of solute can be given in grams or in moles. Also, the amount of solvent or solution can be given in liters or in grams.
Hence, the unit of solubility is in mol/L, g/L, g/g or mol/g.
The maximum amount of solute that dissolves in 2.75 g of water at 65.5 degree Celsius is 4.52 g
Hence, the amount that can dissolve in 100 g of water = 4.52/2.75 * 100
The amount that can dissolve in 100 g of water = 164.4 g solute / 100 g of water.
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Classify each of the events according to whether the solubility of the solute increases, decreases, or stays the same. Solute solubility increases Solute solubility decreases Solute solubility stays the same Answer Bank glucose in water heating the mixture CO, in blood: body temperature rises to 103 F KCI in water warming the mixture clectrolytes in solution: a mountain climber ascends 5 km with a sports drink, atmospheric pressure drops 50%
Solubility of gas
Gas solubility increases: O2 in the blood of a person place in hyperbaric chamber. That's the pressure of a gas over a solvent is increased. The partial pressure of an anesthetic gas is increased.Gas solubility decreases: CO2 in a can of opened soda as it warms to room temperature - the temperature is increased.The solubility of a substance is the amount of that substance that is required to form a saturated solution in a given amount of solvent at a specified temperature. Solubility is often measured in grams of solute per 100g of solvent. The solubility of sodium chloride in water is 36.0g per 100g of water at 20oC. The temperature must be specified because solubility varies with temperature.The solubility of a solid or a liquid solute in a solvent is affected by the temperature, while the solubility of a gaseous solute is affected by both the temperature and the pressure of the gas. We will examine the effects of temperature and pressure separately.
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What is true about metallic bonds?; Is a metallic bond a true bond?; What do metallic bonds hold together?; Which describes a metallic bond bond of?
A Metallic bond is the type of bond that is formed between two metals by sharing of their free electrons. They are non-polar and non-directional in nature.
In metallic bonds, there is an electrostatic force of attraction which holds together atoms in a metallic substance. Unlike in covalently bonded substances, the valence electrons in a metals are not localized and they can move about freely in a crystal lattice.
As such, due to this random movement, the valence electrons interact with the positive ions present in the crystal and this gives rise to a binding force which hold the metallic bond together.
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Which of the following steps would be required to convert between the masses of any two substances involved in the same chemical reaction? Select all that apply. Check all that apply. Use the coefficients from the balanced equation to convert directly from the mass of one substance to the other. Calculate the molar masses of all substances in the reaction. Write a balanced chemical equation for the reaction. Write a conversion factor using the coefficients from the balanced equation, and convert to moles of the second substance. Convert from the given mass to moles of the same substance. Type your answer in the box. The "entities" can describe mass of a substance is the mass per mole of its entities, where the term ions, molecules, or formula units.
Create a balanced chemical equation for the reaction; create a conversion factor using the coefficients from the equation; convert the provided mass to moles of the same material.
What is necessary to change the masses of any two compounds that are reacting chemically together?A chemical reaction can involve any two substances, and mole ratios can be used to convert between amounts of any two substances.
To find out the mass percent of an element in a compound, multiply the result by 100 after dividing the mass of the element in 1 mole of the compound by the molar mass of the compound.
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Question 4 (1 point)
If the decomposition of (NH4)2(CO3) is a first-order process with a rate constant of
0.196 s-1, how much ammonium carbonate would remain after 39.0 s, starting from
a concentration of 0.957 M?
Your Answer in units:
The final concentration of the reactant of a first order reaction can be determined from the rate constant equation. The concentration of ammonium carbonate after 39 s will be 0.003 M.
What is rate constant?Rate constant of a reaction is the rate of reaction when one molar concentration of the reactant is involved in the reaction. The expression for the rate constant k for first order reaction is :
k = 1/t ln (C0/Ct)
Where C0 be the initial concentration and Ct be the concentration after t seconds.
Given that C0 of ammonium nitrate = 0.957 M
rate constant = 0.196 /s
t = 39 s.
The concentration after 39 seconds is calculated as follows:
0.196 /s = 1/39s ln (0.957 M / Ct)
Ct = 0.957 / (ln⁻¹ (0.196 × 39))
= 0.003 M.
Therefore, the concentration of ammonium carbonate after 39 seconds will be 0.003 M.
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Which material is malleable and conducts electricity?
Metal – bright, malleable, ductile, or a good conductor of electricity and heat.
What is pliable and conducts electricity?Metals may be hammered into sheets and are malleable, ductile, and good conductors for heat and electricity.
What kinds of substances can be molded?When struck with a hammer, malleable metals will twist and bend into a variety of shapes, but non-malleable metals may shatter into fragments.Metals like gold, iron, aluminium, copper, silver, and lead are examples of malleable metals.
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which of the following best explains the observation that a resting neuron membrane, while highly permeable to potassium ions, is not at the equilibrium potential for potassium?
The membrane is also slightly permeable to sodium ions explains the observation that a resting neuron membrane, while highly permeable to potassium ions.
The resting membrane potential, often known as the resting potential, is a voltage across the membrane of a resting (non-signaling) neuron.
Ion concentration gradients across the membrane and the permeability of the membrane to each kind of ion dictate the resting potential.
Na + and K+ concentration gradients exist across the membrane of a resting neuron. Ions flow via channels to descend their gradients, which causes a separation of charge to produce the resting potential.
The resting potential is somewhat near the equilibrium potential of K + because the membrane is substantially more permeable to K+ than to Na+.
Therefore, the membrane is also slightly permeable to sodium ions explains the observation that a resting neuron membrane, while highly permeable to potassium ions.
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many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base . base catalyze hydration by
Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base catalyze hydration by : converting the water to hydroxide ion, a much better nucleophile.
Nucleophilic addition reactions: what are they?A nucleophile establishes a sigma bond with an electron-deficient molecule in a chemical addition process known as a nucleophilic addition reaction. The ability to transform carbonyl groups into a variety of functional groups makes these reactions crucial in organic chemistry.
Adding nucleophiles involves two steps: an intermediate alkoxide is created by the breakdown of the p link to the O. The intermediate alkoxide is protonated to produce an alcohol derivative.
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Which of the following would most likely form an ionic bond? a. carbon and oxygen
b. sodium and fluorine c. sulfur and hydrogen d. phosphorus and oxygen
Fluorine (F) and Sodium (Na) are both nonmetals. They are hence likely to create an ionic connection.
Option b is the correct answer.
Ionic bonds between carbon and oxygen seem to be unlikely.Additionally, the atom's electron affinity is too low and its ionization energy is too high for ionic bonding to take place. Because it contains four valence electrons—half of an octet—carbon, for instance, cannot form ionic bonds.
C and O are they covalent or ionic?The two elements C and O, both of which are non-metallic, are presented in the aforementioned question. They will link together, but it won't be an ionic bond; it will be covalent. C and O do not, therefore, combine to produce an ionic compound.
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Fatty acid oxidation occurs in the mitochondrial matrix. However, long-chain fatty acyl-CoA molecules cannot cross the inner membrane to enter the matrix. The carnitine shuttle system transfers the acyl group from CoA to carnitine, which can enter the mitochondrial matrix. Label the enzymes and compounds of the carnitine shuttle system. These abbreviations are used: intermembrane space, IMS; carnitine acyltransferase I, CAT1; mitochondrial carnitine acyltransferase II, CAT2; and carnitine/acylcarnitine translocase (carnitine carrier protein), CAT.
An essential system that supports fatty acid oxidation is the carnitine shuttle system.
What is fatty acid oxidation?An essential system that supports fatty acid oxidation is the carnitine shuttle system.The carnitine shuttle system's chemicals and enzymes serve the following purposes:Intermembrane space (IMS): This region of the cell is where the carnitine system's enzymes function.Carnitine acyltransferase I, or CAT1 Carnitine palmitoyltransferase 1 is another name for this. It transforms long-chain acyl-CoA species into the appropriate long-chain acyl-carnitines so that they can be transported into the mitochondria.Carnitine acyltransferase II, or CAT2, in the mitochondria: This enzyme is present inside the mitochondria and is responsible for oxidizing long-chain fatty acids there.(Carnitine carrier protein), carnitine/acylcarnitine translocase, CAT: A cytoplasmic acylcarnitine transporter switches out for mitochondrial carnitine in this membrane transporter.To learn more about fatty acid oxidation refer to:
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Along with energy obtained from fossil fuels, nuclear sources, and water,
environmentalists are encouraging the use of energy from wind. The turbines in the
picture are formed like the wings of an aircraft, allowing for maximum wind force. Which of
the following concerns of environmentalists and consumers would not demonstrate the
need for obtaining energy from the wind?
I think it's either B ⇔ C ⇔ D
Explanation:In the other hand:
⇵
B: Hazardous leaks and explosions ⇄ It can practically cause hazardous leaks and explosions because of the overdoes.C: Increase air pollution ⇄ 30-40% percent it's possible for this to be happening... But I'm not really sure.D: Rising consumer expenses ⇄ That I would definitely recommend that because it's true that the consumer rights are also a big overdoes.So it can be: B ⇔ C ⇔ D. But I would totally recommend → D ←Why do human reproductive cells (i.e. egg & sperm cells) only end up with 23 chromosomes by the end of meiosis cell division?
A. Meiosis only does part of the job of reproductive cell division, and another type of cell division has to finish it.
B. Each reproductive cell gets only half the genetic code of a complete human so that when they combine during sexual reproduction, it results in a
human with a full genetic code.
Only half of a human's genetic code is received by each reproductive cell, ensuring that when they join during sexual reproduction, a human with a full genetic code is produced.
Why only have 23 chromosomes in sperm and egg cells, the gametes?Human sperm and eggs must only have 23 chromosomes for fertilization to result in the formation of a single, fully developed diploid cell that will then divide through mitosis to become a whole organism.
Why do gametes, or sperm and egg cells created during meiosis, have half as many chromosomes as they should?This decrease in chromosome number is essential for meiosis because it produces cells that will develop into gametes (or reproductive cells); without it, fertilization cannot result in the union of two gametes.
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select the correct statements regarding activation energy and the heat of a reaction. select all that apply. A reversible reaction has two activation energies | H is negative when E a(fwd) < E a(rev) | Hrxn = Ea(fwd) - Ea(rev)
A reversible reaction has two activation energies
H is negative when E a(fwd) < E a(rev)
Hrxn = Ea(fwd) - Ea(rev)
Activation energy :- It is the amount of energy required to reach the transition state. The source of the activation energy needed to push reactions forward is typically heat energy from the surroundings.
Heat of Reaction :- The change in the enthalpy of a chemical reaction. In endothermic reactions, (ΔH>0), heat is absorbed with the reactants.This means more energy is needed to overcome the forces of attraction between molecules and to separate them from one another (the activation energy) than the energy gained when new bonds are formed.
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Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy delta G degree for the following redox reaction.
Round your answer to 3 significant digits.
6Br (aq) +2Cro4 2- (aq) + 8 H₂O (l)→ 3Br₂ (l) + 2Cr(OH)3(s) + 10OH-(aq)
The standard Gibbs free energy for the given redox reaction is -106 kJ/mol.
Why is Gibbs called free energy?Because it is readily accessible at all times, Gibb's free energy is known as free energy. If necessary, the reaction can obtain this energy without exerting any effort. Enthalpy and the system's product of temperature and entropy are added to determine the change in Gibb's free energy.Enthalpy and entropy are combined into a single quantity known as Gibbs free energy, or G. The product of the system's temperature and entropy and the sum of its enthalpy and enthalpy is equal to the change in free energy, G.6Br (aq) +2Cro4 2- (aq) + 8 H₂O (l)→ 3Br₂ (l) + 2Cr(OH)3(s) + 10OH-(aq)
Cathode: 2CrO₄²⁻ + 16 H⁺ + 10 e⁻ ⇒ 2 Cr⁴⁺ + 8 H₂O E°red = 1.51 V
Anode: 10 Br⁻ ⇒ 5 Br ₂ + 10 e⁻ E°red = 1.40 V
E°cell = Ered,cathode - E°red,anode = 1.51 V - 1.40 V = 0.11 V
ΔG° = - n × F × E°cell
where,
n are the moles of electrons exchanged., F is Faraday's constant.
ΔG° = - 10 mol × (96,485 J/V.mol) × 0.11 V × (1 kJ/1000 J) = -106 kJ/mol
The standard Gibbs free energy for the given redox reaction is -106 kJ/mol.
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11. Using VSEPR theory, predict the electron group geometry, molecular shape, and the bond angles in a molecule that contains 4 electron groups (3 bonds and 1 lone pair electrons).
a. tetrahedral, trigonal pyramidal, >109.5°
b. tetrahedral, trigonal pyramidal, <109.5°
C. tetrahedral, trigonal pyramidal, 109.5°
12. Using VSEPR theory, predict the electron group geometry, molecular shape, and the bond angles in a molecule that contains 6 electron groups (5 bonds and 1 lone pair electrons).
a. octahedral, octahedral, 90°
b. octahedral, square planar, 90°
c. octahedral, square pyramidal, 90°
13. What are the bond angle in the molecular geometry of H2O?
A. 104.5°
B. 107°
C. 109.5°
According to VSEPR theory,
11. tetrahedral, trigonal pyramidal, <109.5°
12. octahedral, square pyramidal, 90°
13. 104.5
The valence shell electron pair repulsion (VSEPR) theory is a model used to predict 3-D molecular geometry based on the number of valence shell electron bond pairs among the atoms in a molecule or ion. This model assumes that electron pairs will arrange themselves to minimize repulsion effects from one another. In other words, the electron pairs are as far apart as possible. The VSEPR model is useful for predicting and visualizing molecular structures. The structures are: linear, trigonal planar, angled, tetrahedral, trigonal pyramidal, trigonal bipyramidal, disphenoidal (seesaw), t-shaped, octahedral, square pyramidal, square planar, and pentagonal bipyramidal. 104.5° is the bond angle of water.
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To compensate for a complex or unknown matrix, the method can be used to determine the analyte concentration a.calibration curve b.standard addition c.dilution method d. standardization e.least-squares analysis
Data should be plotted in a scatter plot. Make a linear regression line (trend line), and then figure out the regression equation and R-squared. Rearrange the regression equation to determine the concentration of the unknown analyte.
The rationale behind using the conventional additions method is that the matrix may contain additional elements that interfere with the analyte signal, resulting in inaccurate concentration determination. The concept is to "spike" a sample with an analyte and observe how the instrument response changes.
Lead concentrations in solution vary between the two methods. The calibration method produces results that are superior to the traditional addition method. To calculate a very low concentration of dissolved lead using F-AAS, the linearity of the standard addition method is superior to the calibration method.
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Does sodium bond with oxygen?
we mix oxygen (O2) and sodium (Na+)? Yes! For every oxygen, we need two sodiums to create a stable molecule.
What causes sodium and oxygen to bind?Ionic bonding occurs when metal and nonmetal are joined. In order to complete the octet of oxygen, the metallic element sodium provides its extra valence electron (Oxygen had 6 valence electrons but when Sodium donates its 2 valence electrons, it makes the octet of 8). Ionic bonding refers to the movement of electrons.
With what may sodium form bonds?When it comes to halogens, sodium seldom ever responds, although it does. In addition, it combines with different metallic halides to create sodium chloride and metal. Naphthalene, other aromatic polycyclic compounds, and aryl alkenes are the only substances with which sodium forms addition compounds. Paraffinic hydrocarbons do not react with sodium.
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What is boiling point of water
The boiling point of water is the temperature at which it changes from a liquid to a gas (vapor) at a given pressure. At sea level, the boiling point of water is 212 degrees Fahrenheit (100 degrees Celsius). However, the boiling point of water can vary depending on the pressure and altitude. For example, at higher altitudes, the atmospheric pressure is lower, so the boiling point of water is also lower. This is why water boils at a lower temperature in mountainous areas than it does at sea level.
lesson 6.1 ngsss benchmark mini assessment
Answer:
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carbamoyl phosphate is formed by the combination of which of the following molecules? (more than one answer)
ATP
Free NH3 from oxidative deamination reaction
Bicarbonate anion
Carbamoyl phosphate is a one-carbon compound and an acyl monophosphate. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is a conjugate acid of a carbamoyl phosphate(2-).The monoanhydride of carbamic acid with PHOSPHORIC ACID. It is an important intermediate metabolite and is synthesized enzymatically by CARBAMYL-PHOSPHATE SYNTHASE (AMMONIA) and CARBAMOYL-PHOSPHATE SYNTHASE (GLUTAMINE-HYDROLYZING).It is an anion of biochemical significance.
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