AS 163.3 J/K 9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures? A. a negative value C. a positive value at a low temperature B. a positive value D. a positive value at a high temperature 10. What will be the value of the entropy change of the system in the reaction: 6CO₂(g) + 6H₂O(g) → C6H12O6(g) + 602(g) ? D. cannot be determined B. negative C. no change A. positive 11. Ozone (03) in the atmosphere can react with nitric oxide (NO): Os(g) + NO(g)-> NO2(g) + O2(g) Calculate the G for this reaction at 25°C. (AH = -199 kJ/mol, AS = -4.1 J/K-mol) A. -198 kJ/mol B. +198 kJ/mol C.-301.5 kJ/mol D. +301.5 kJ/mol 12. Which of the following is true for a chemical reaction at equilibrium? A. only the forward reaction stops C. both the forward and reverse reactions stop B. only the reverse reaction stops D. the rates of the forward and reverse reactions are equal 13. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, the reaction is: A. the reaction is at equilibrium. B. the reaction is not at equilibrium, and will make more products at the expense of reactants. C. the reaction is not at equilibrium, and will make more reactants at the expense of products. D. the value of K will decrease until it is equal to Q. 14. Write the correct Kc expression for the following reaction: CaHa (g) +502(g) → 3CO2(g) + 4H₂O(g) A. [H2014 [CO2] 3 [C3H8][02] 5 B. [H20] [CO2] [C3H8][02] C. [C3H8)[02] D. [H20] [CO2] [C3H8][02]5 [H20]4 [CO2]3 container is increased? C. becomes zero 15. What happens to the total pressure when the volume of the B. increases A. decreases D. remains constant 16. What do you call a chemical reaction that produces heat? A. endothermic B. exothermic C. equilibrium D. none of the choices 17. Where does the equilibrium lie when K has a very large value? A. left B. right C. center D. none of the choice 18. Where will the equilibrium shift when we increase the concentration of a substance in a reaction? A. away from substance B. towards the substance C. no shift D. all directions 19. What does Le Chatelier's principle state about chemical equilibrium? A. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the cause of the stress applied. B. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the effect of the stress applied. C. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the cause of the stress applied. D. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the effect of the stress applied.
AS 163.3 J/K 9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures? A. a negative value C. a positive value at a low temperature B. a positive value D. a positive value at a high temperature 10. What will be the value of the entropy change of the system in the reaction: 6CO₂(g) + 6H₂O(g) → C6H12O6(g) + 602(g) ? D. cannot be determined B. negative C. no change A. positive 11. Ozone (03) in the atmosphere can react with nitric oxide (NO): Os(g) + NO(g)-> NO2(g) + O2(g) Calculate the G for this reaction at 25°C. (AH = -199 kJ/mol, AS = -4.1 J/K-mol) A. -198 kJ/mol B. +198 kJ/mol C.-301.5 kJ/mol D. +301.5 kJ/mol 12. Which of the following is true for a chemical reaction at equilibrium? A. only the forward reaction stops C. both the forward and reverse reactions stop B. only the reverse reaction stops D. the rates of the forward and reverse reactions are equal 13. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, the reaction is: A. the reaction is at equilibrium. B. the reaction is not at equilibrium, and will make more products at the expense of reactants. C. the reaction is not at equilibrium, and will make more reactants at the expense of products. D. the value of K will decrease until it is equal to Q. 14. Write the correct Kc expression for the following reaction: CaHa (g) +502(g) → 3CO2(g) + 4H₂O(g) A. [H2014 [CO2] 3 [C3H8][02] 5 B. [H20] [CO2] [C3H8][02] C. [C3H8)[02] D. [H20] [CO2] [C3H8][02]5 [H20]4 [CO2]3 container is increased? C. becomes zero 15. What happens to the total pressure when the volume of the B. increases A. decreases D. remains constant 16. What do you call a chemical reaction that produces heat? A. endothermic B. exothermic C. equilibrium D. none of the choices 17. Where does the equilibrium lie when K has a very large value? A. left B. right C. center D. none of the choice 18. Where will the equilibrium shift when we increase the concentration of a substance in a reaction? A. away from substance B. towards the substance C. no shift D. all directions 19. What does Le Chatelier's principle state about chemical equilibrium? A. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the cause of the stress applied. B. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the effect of the stress applied. C. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the cause of the stress applied. D. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the effect of the stress applied.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 5RQ: What is the third law of thermodynamics? What are standard entropy values, S, and how are these S...
Related questions
Question
![AS
163.3 J/K
9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures?
A. a negative value
C. a positive value at a low temperature
B. a positive value
D. a positive value at a high temperature
10. What will be the value of the entropy change of the system
B. negative
in the reaction: 6CO₂(g) + 6H₂O(g) → C6H12O6(g) + 602(g) ?
D. cannot be determined
C. no change
A. positive
11. Ozone (03) in the atmosphere can react with nitric oxide (NO): Os(g) + NO(g) -> NO2(g) + O2(g)
Calculate the G for this reaction at 25°C. (AH = -199 kJ/mol, AS = -4.1 J/K-mol)
A. -198 kJ/mol
B. +198 kJ/mol
C.-301.5 kJ/mol
D. +301.5 kJ/mol
12. Which of the following is true for a chemical reaction at equilibrium?
A. only the forward reaction stops
C. both the forward and reverse reactions stop
B. only the reverse reaction stops
D. the rates of the forward and reverse reactions are equal
13. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, the reaction is:
A. the reaction is at equilibrium.
B. the reaction is not at equilibrium, and will make more products at the expense of reactants.
C. the reaction is not at equilibrium, and will make more reactants at the expense of products.
D. the value of K will decrease until it is equal to Q.
14. Write the correct Kc expression for the following reaction: C3Ha (g) +502(g)
3CO2(g) + 4H₂O(g)
[C3H8][02]5
A.
[H2014 [CO2] 3
[C3H8][02] 5
B.
[H20] [CO2]
[C3H8][02]
C.
D.
[C3H8)[02]
[H20] [CO2]
15. What happens to the total pressure when the volume of the
B. increases
[H2014 [CO2]3
container is increased?
C. becomes zero
A. decreases
D. remains constant
16. What do you call a chemical reaction that produces heat?
A. endothermic
B. exothermic
C. equilibrium
D. none of the choices
17. Where does the equilibrium lie when K has a very large value?
A. left
B. right
C. center
D. none of the choice
18. Where will the equilibrium shift when we increase the concentration of a substance in a reaction?
A. away from substance B. towards the substance
C. no shift
D. all directions
19. What does Le Chatelier's principle state about chemical equilibrium?
A. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the cause of the stress applied.
B. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the effect of the stress applied.
C. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the cause of the stress applied.
D. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the effect of the stress applied.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F40296fad-4ba9-44fb-9cc7-4ce58a0f1789%2F8fab076a-b743-4552-9543-ceaf0825e629%2Fkohxnpp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:AS
163.3 J/K
9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures?
A. a negative value
C. a positive value at a low temperature
B. a positive value
D. a positive value at a high temperature
10. What will be the value of the entropy change of the system
B. negative
in the reaction: 6CO₂(g) + 6H₂O(g) → C6H12O6(g) + 602(g) ?
D. cannot be determined
C. no change
A. positive
11. Ozone (03) in the atmosphere can react with nitric oxide (NO): Os(g) + NO(g) -> NO2(g) + O2(g)
Calculate the G for this reaction at 25°C. (AH = -199 kJ/mol, AS = -4.1 J/K-mol)
A. -198 kJ/mol
B. +198 kJ/mol
C.-301.5 kJ/mol
D. +301.5 kJ/mol
12. Which of the following is true for a chemical reaction at equilibrium?
A. only the forward reaction stops
C. both the forward and reverse reactions stop
B. only the reverse reaction stops
D. the rates of the forward and reverse reactions are equal
13. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, the reaction is:
A. the reaction is at equilibrium.
B. the reaction is not at equilibrium, and will make more products at the expense of reactants.
C. the reaction is not at equilibrium, and will make more reactants at the expense of products.
D. the value of K will decrease until it is equal to Q.
14. Write the correct Kc expression for the following reaction: C3Ha (g) +502(g)
3CO2(g) + 4H₂O(g)
[C3H8][02]5
A.
[H2014 [CO2] 3
[C3H8][02] 5
B.
[H20] [CO2]
[C3H8][02]
C.
D.
[C3H8)[02]
[H20] [CO2]
15. What happens to the total pressure when the volume of the
B. increases
[H2014 [CO2]3
container is increased?
C. becomes zero
A. decreases
D. remains constant
16. What do you call a chemical reaction that produces heat?
A. endothermic
B. exothermic
C. equilibrium
D. none of the choices
17. Where does the equilibrium lie when K has a very large value?
A. left
B. right
C. center
D. none of the choice
18. Where will the equilibrium shift when we increase the concentration of a substance in a reaction?
A. away from substance B. towards the substance
C. no shift
D. all directions
19. What does Le Chatelier's principle state about chemical equilibrium?
A. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the cause of the stress applied.
B. If a stress is applied to a system in equilibrium, then the systems adjust in order to increase the effect of the stress applied.
C. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the cause of the stress applied.
D. If a stress is applied to a system in equilibrium, then the systems adjust in order to reduce the effect of the stress applied.
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