1. A reaction is spontaneous. What can you conclude about the reverse reaction? It must be...
1. A reaction is spontaneous. What can you conclude about the reverse reaction? It must be endothermic. It is non-spontaneous. It must have a decrease in entropy. It is in equilibrium.
2. ∆G is most affected by the presence of a catalyst the magnitude of the enthalpy the magnitude of the entropy the temperature
Homework Answers
1. That it is in equilibrium because only then the reverse reaction can occur
2. The temperature. Because ∆G= ∆H-T∆S
Changes in temperature can make entroy more negative or positive. Thus it affects the most.
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A reaction is spontaneous. What can you conclude about the reverse reaction? It must be endothermic. It is non-spontaneous. It must have a decrease in entropy. It is in equilibrium.
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Entropy (S) The second factor involved in determining whether or not a process is spontaneous is the change in randomness or entropy (AS). Entropy is represented by the symbol S. Again, experience can help us understand the relationship between entropy and spontaneous processes. If we look at the two drawings below, we can predict which picture represents the stack of marbles "before" and after they are bumped. We expect the stack of marbles (less random, lower entropy) to be the...
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