Homework Answers
Answer: A
If 
is negative then the reaction is always spontaneous in the forward
direction.
If 
is negative then the reaction is always exothermic
If
is positive then the reaction is always endothermic.
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8) For a reaction with a negative AG value, which of the following statements is always...
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the...
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
What can be said about an Endothermic reaction with a negative entropy change? The reaction is a. spontaneous at al...
What can be said about an Endothermic reaction with a negative entropy change? The reaction is a. spontaneous at all temperatures. b. spontaneous at high temperatures. c. spontaneous at low temperatures. d. spontaneous in the reverse direction at all temperatures. e. nonspontaneous in either direction at all temperatures. What can be said about an Exothermic reaction with a negative entropy change? The reaction is a. spontaneous at all temperatures. b. spontaneous at high temperatures. c. spontaneous at low temperatures. d....
What can be said about an endothermic reaction with a negative entropy change? The reaction is What can be...
What can be said about an endothermic reaction with a negative entropy change? The reaction is What can be said about an endothermic reaction with a negative entropy change? spontaneous at all temperatures. spontaneous at high temperatures. spontaneous at low temperatures. spontaneous in the reverse direction at all temperatures. nonspontaneous in either direction at all temperatures. Part B What can be said about an exothermic reaction with a negative entropy change? The reaction is What can be said about an...
If AG < 0 for a reaction, which of the following is/are true? Select all that...
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
If the reaction A + B → C has an equilibrium constant of 10-6. Which of...
If the reaction A + B → C has an equilibrium constant of 10-6. Which of the following statements are necessarily true? Make sure to select all of the correct responses At equilibrium there will be more products than reactants At equilibrium there will be more reactants than products the reaction is spontaneous the reaction is not spontaneous The reaction is fast The reaction is slow The chemical potential energy of the products is greater than that of the reactants...
2. Decide whether each of the following statements is true or false. If false, rewrite it...
2. Decide whether each of the following statements is true or false. If false, rewrite it to make it true. a. Entropy of the universe increases in all spontaneous reactions. wo False If entropy is bw enough it con be spontaneous, b. Reactions with a negative free energy change (A-Gº <0) are product-favored and occur with rapid transformation of reactants to products. True c. An exothermic reaction will always be spontaneous. I NO when AH is negative the reaction can...
Consider a reaction that has a negative ΔH and a negative ΔS. Which of the following statements is TRUE? A)This reaction...
Consider a reaction that has a negative ΔH and a negative ΔS. Which of the following statements is TRUE? A)This reaction will be nonspontaneous only at low temperatures. B)This reaction will be spontaneous only at low temperatures. C)This reaction will be spontaneous at all temperatures. D)This reaction will be nonspontaneous at all temperatures. E)It is not possible to determine without more information.
8. Indicate whether the following statements are true or false: a. If the free energy,AG,ofareaction is...
8. Indicate whether the following statements are true or false: a. If the free energy,AG,ofareaction is negative, then the entropy,AS,must be positive b. Anendergonicreactionisone forwhichAGispositive. c. Increasing the temperature usually increases the rate of a chemical reaction because it increases rate of movement of molecules d. A reaction that releases heat (ΔH) is termed exothermic, while a reaction that releases free energy, Δ G, is termed exergonic e. The transition state of a reaction is always at a higher (unfavorable)...
What is true if ln K is zero? A)ΔGorxn is positive and the reaction is spontaneous...
What is true if ln K is zero? A)ΔGorxn is positive and the reaction is spontaneous in the reverse direction. B)ΔGorxn is positive and the reaction is spontaneous in the forward direction. C)ΔGorxn is negative and the reaction is spontaneous in the forward direction. D)ΔGorxn is negative and the reaction is spontaneous in the reverse direction. E)ΔGorxn is zero and the reaction is at equilibrium.
which one of the following statements is true? A. an endothermic reaction is one in which...
which one of the following statements is true? A. an endothermic reaction is one in which energy is released from the system into the surroundings B. in an exothermic reaction the products are higher in energy than the reactants C. The total amount of energy in the universe is not a constant D. The change in enthalpy for exothermic chemical reactions is positive E. when energy is released from the system it is absorbed by the surroundings
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
2. Decide whether each of the following statements is true or false. If false, rewrite it to make it true. a. Entropy of the universe increases in all spontaneous reactions. wo False If entropy is bw enough it con be spontaneous, b. Reactions with a negative free energy change (A-Gº <0) are product-favored and occur with rapid transformation of reactants to products. True c. An exothermic reaction will always be spontaneous. I NO when AH is negative the reaction can...
8. Indicate whether the following statements are true or false: a. If the free energy,AG,ofareaction is negative, then the entropy,AS,must be positive b. Anendergonicreactionisone forwhichAGispositive. c. Increasing the temperature usually increases the rate of a chemical reaction because it increases rate of movement of molecules d. A reaction that releases heat (ΔH) is termed exothermic, while a reaction that releases free energy, Δ G, is termed exergonic e. The transition state of a reaction is always at a higher (unfavorable)...
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