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4. A chemical reaction is most likely to be spontaneous if it is accompanied by a....
Which statement is true? A. Spontaneous changes are always accompanied by an increase in the enthalpy of the system. B. Spontaneous changes are always accompanied by a decrease in the entropy of the system. C. Spontaneous changes are always accompanied by a decrease in the enthalpy of the system. D. Most highly exothermic chemical reactions are also spontaneous chemical reactions. E. Spontaneous changes are always accompanied by an increase in the entropy of the system. For a certain chemical reaction,...
What is the connection between entropy and a spontaneous reaction? a) A reaction is less likely to be spontaneous if it increases the entropy of a system. b) A reaction is more likely to be spontaneous if it increases the entropy of a system. c) A spontaneous reaction always decreases the entropy of a system. d) A spontaneous reaction does not affect the entropy of a system.
any spontaneous process, the entropy of the system increases. All spontaneous processes are accompanied by a decrease in free energy Question 2 In which state would two moles of Ar(g) have the lowest entropy?! at 45 °C in a volume of 10.0L All the listed conditions have the same entropy! at 150 °C in a volume of 10.0L at 150 °C in a volume of 2.5 L at 45 °C in a volume of 2.5 L Question 3 Which of...
An enzyme affects the rate of a chemical reaction by A. decreasing the free energy change of the reaction. B. increasing the free energy change of the reaction. C. lowering the energy of activation of the reaction. D. displacing the equilibrium constant. E. raising the energy of activation of the reaction.
16. Gibb's Free Energy is a. the spontaneous energy of a reaction b. the chemical energy that can be used for performing work c. the non-spontaneous energy of a reaction d. the amount of activation energy needed for a reaction to start Based on the ∆G calculation, a student determined that a synthesis reaction should be spontaneous. When the student tries out the reaction, however, nothing happens. Which explanation is most plausible? the student probably made a mistake in the...
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c
the first one is supposed to be meant spontaneous. thanks ction to be non-spontaneous at any temperature, which of the following В. Tur a chemical reaction to b conditions must be met? AS > 0, AITO AS > 0, AIT <0 AS <0, AHP <0 AS <0, AHP>0 D. 2. Place the following in on lowing in order of decreasing standard molar entropy. N204(8) NO(g) NO2(g) 204 > NO2 > NO B) NO > NO2 > N204 E) NO2 >...
1. A catalyst affects the rate of a chemical reaction by a. providing an alternate reaction pathway with a lower activation energy. b. decreasing the energy difference between the reactants and products. c. increasing the number of collisions between the reactants. d. increasing the average kinetic energy of the reactants.
QUESTION 4 The recognition of a revenue would most likely be accompanied by which of the following? A. a decrease in assets B. an increase in assets C. the contribution of capital by an owner D. an increase in liabilities E. none of the other answers provided are correct 1 points QUESTION 5 A gain on the disposal of a fixed asset will increase the following on the company’s income statement A. COGS B. Non-operating Income (Loss) C. Net...