A reaction has a ∆G << 0: A. This reaction must have a small (less than...
A reaction has a ∆G << 0:
A. This reaction must have a small (less than 1.0) Q.
B. This reaction must have a negative ΔG′°.
C. This reaction must have a large (greater than 1.0) Q.
D. This reaction must have a positive ∆G′°.
E. None of the above.
Homework Answers
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A reaction has a ∆G << 0:
A. This reaction must have a small (less than...
1) positive, greater than 0 OR negative, less than 0 2) positive, greater than 0 OR...
1) positive, greater than 0
OR negative, less than 0
2) positive, greater than 0 OR negative, less
than 0
3) positive, greater than 0 OR negative, less
than 0
4) positive, greater than 0 OR negative, less
than 0
5) smaller, larger, smaller or larger depending on temp.
FOLLOW-UP PROBLEM 20.7 Determining the Effect of Temperature on AG A reaction is nonspontaneous at room temperature but is spontaneous at 500°C. What can you say about the signs and...
6) When a spontaneou s, endothermic reaction occurs at constant temperature and pressure, the entropy change...
6) When a spontaneou s, endothermic reaction occurs at constant temperature and pressure, the entropy change of the surroundings is: a) impossible to tell b) positive c) negative d) zero a) ΔG > 0 One finds that the equilibrium constant for a particular reaction increases with increasing temperature. Assuming that the standard reaction enthalpy and entropy are temperature independent, this means that: a) The standard reaction enthalpy is less than zero 8) b) The standard reaction entropy is greater than...
Q4. Under which circumstance can the ΔG of a reaction be negative if its ΔG’° is...
Q4. Under which circumstance can the ΔG of a reaction be negative if its ΔG’° is positive? Select one: a. The temperature of the cell is increased. b. The products of the reaction are kept at a greater concentration than that of the reactants. c. The reactants of the reaction are kept at a greater concentration than that of the products. d. ATP is added to the reaction. e. No circumstances allow this to occur.
For the generic reaction shown, K-0 reaction mixture for which O-0.205 at 950 K .355 (at...
For the generic reaction shown, K-0 reaction mixture for which O-0.205 at 950 K .355 (at 950 K). What can you conc lude about AGand AG in a 2AZ2(g)+ Z2(g)2AZ3(g) ΔG and ΔG° are both negative Δ is positive and ΔG° is negative (B) dG and ΔGo are both positive (D) AG is negative and AG is positive 1-1
1. show work/explanation 1. Consider the following reaction (4 pts) C(s) + H2O(g) → CO(g) +...
1. show work/explanation
1. Consider the following reaction (4 pts) C(s) + H2O(g) → CO(g) + H2(g) For this reaction a. b, c. d. 1°-131 kJ/mol and AS-135 J/mol K. For this reaction at 25°C the: ΔG is positive so the reaction is spontaneous ΔG is negative so the reaction is spontaneous ΔG is positive so the reaction is non-spontaneous ΔG is negative so the reaction is non-spontaneous
46) All of the following have free energy of formation values of zero except a) Li...
46) All of the following have free energy of formation values of zero except a) Li (s) b) He (8) c) N (6) d) F2 (g) HF (B) If a process is both endothermic and spontaneous, then a) AU is less than 0 b) AH is less than 0 c) AG is greater than 0 d) AS is greater than 0 e) AH is equal to 0 48) The combination that always gives a spontaneous process is_ a) b) c)...
7. For a discrete random variable, the set of possible values is a. an interval of...
7. For a discrete random variable, the set of possible values is a. an interval of real numbers. b. a set of numbers that is countable. c. a set of numbers that has a finite number of numbers. d. none of the above. 8. Let X be a continuous random variable, then P( X = 0) is a. 0.00001. b. zero. c. can be large in some random variable. d. none of the above. 9. For a discrete random variable,...
A small diameter glass rod is expected to have greater strength than a large diameter glass...
A small diameter glass rod is expected to have greater strength than a large diameter glass rod because (a) a small glass rod has fewer dislocations (b) a small glass rod has a greater number of dislocations (c) a small glass rod has a smaller ratio of surface area to volume (d) a large glass rod would have a greater chance of having a larger flaw size.
1. Which of the following real gases has the largest isobaric heat capacity, Cp: a) He...
1. Which of the following real gases has the largest isobaric heat capacity, Cp: a) He b) Rn c) N2 d) XeF2 e) all gases have the same heat capacity 2. Predict the change in entropy (AS) for the following reaction (D is used for deuterium, H) NDaBr (s) → ND; (g) + DBr (g) a) Positive b) Negative c) Near Zero d) Exactly Zero e) none of the above 3. The values of q, w, AU and AH for...
Question 15 10 points If forecasted sales exceed the accounting break-even level but are less than...
Question 15 10 points If forecasted sales exceed the accounting break-even level but are less than the economic break-even level, then the project has a: 1. positive NPV II. negative NPV III. positive net income IV. negative net income O AI and III B. II and IV c. I and IV D. II and III E. None of the above
1) positive, greater than 0
OR negative, less than 0
2) positive, greater than 0 OR negative, less
than 0
3) positive, greater than 0 OR negative, less
than 0
4) positive, greater than 0 OR negative, less
than 0
5) smaller, larger, smaller or larger depending on temp.
FOLLOW-UP PROBLEM 20.7 Determining the Effect of Temperature on AG A reaction is nonspontaneous at room temperature but is spontaneous at 500°C. What can you say about the signs and...
6) When a spontaneou s, endothermic reaction occurs at constant temperature and pressure, the entropy change of the surroundings is: a) impossible to tell b) positive c) negative d) zero a) ΔG > 0 One finds that the equilibrium constant for a particular reaction increases with increasing temperature. Assuming that the standard reaction enthalpy and entropy are temperature independent, this means that: a) The standard reaction enthalpy is less than zero 8) b) The standard reaction entropy is greater than...
For the generic reaction shown, K-0 reaction mixture for which O-0.205 at 950 K .355 (at 950 K). What can you conc lude about AGand AG in a 2AZ2(g)+ Z2(g)2AZ3(g) ΔG and ΔG° are both negative Δ is positive and ΔG° is negative (B) dG and ΔGo are both positive (D) AG is negative and AG is positive 1-1
1. show work/explanation
1. Consider the following reaction (4 pts) C(s) + H2O(g) → CO(g) + H2(g) For this reaction a. b, c. d. 1°-131 kJ/mol and AS-135 J/mol K. For this reaction at 25°C the: ΔG is positive so the reaction is spontaneous ΔG is negative so the reaction is spontaneous ΔG is positive so the reaction is non-spontaneous ΔG is negative so the reaction is non-spontaneous
46) All of the following have free energy of formation values of zero except a) Li (s) b) He (8) c) N (6) d) F2 (g) HF (B) If a process is both endothermic and spontaneous, then a) AU is less than 0 b) AH is less than 0 c) AG is greater than 0 d) AS is greater than 0 e) AH is equal to 0 48) The combination that always gives a spontaneous process is_ a) b) c)...
7. For a discrete random variable, the set of possible values is a. an interval of real numbers. b. a set of numbers that is countable. c. a set of numbers that has a finite number of numbers. d. none of the above. 8. Let X be a continuous random variable, then P( X = 0) is a. 0.00001. b. zero. c. can be large in some random variable. d. none of the above. 9. For a discrete random variable,...
1. Which of the following real gases has the largest isobaric heat capacity, Cp: a) He b) Rn c) N2 d) XeF2 e) all gases have the same heat capacity 2. Predict the change in entropy (AS) for the following reaction (D is used for deuterium, H) NDaBr (s) → ND; (g) + DBr (g) a) Positive b) Negative c) Near Zero d) Exactly Zero e) none of the above 3. The values of q, w, AU and AH for...
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