Problem: A certain process has ∆H° < 0, ∆S° > 0, and ∆G° < 0. The values of ∆H° and ∆S° do not depend on the temperature. Which of the following is a correct conclusion about this process?A) It is non-spontaneous at all T.B) It is spontaneous at all T.C) It is spontaneous at low T.D) It is spontaneous at high T.

FREE Expert Solution

We’re being asked to determine which of the given statements is correct for a reaction given the sign of its ΔH and  ΔS.


The statements given describe the spontaneity of the reaction at different temperatures

Recall that when ΔH and ΔS are given, we can determine the spontaneity of the reaction based on their signs

We can use the Punnett square shown below:


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Problem Details

A certain process has ∆H° < 0, ∆S° > 0, and ∆G° < 0. The values of ∆H° and ∆S° do not depend on the temperature. Which of the following is a correct conclusion about this process?


A) It is non-spontaneous at all T.

B) It is spontaneous at all T.

C) It is spontaneous at low T.

D) It is spontaneous at high T.

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Our tutors have indicated that to solve this problem you will need to apply the Spontaneous Reaction concept. You can view video lessons to learn Spontaneous Reaction. Or if you need more Spontaneous Reaction practice, you can also practice Spontaneous Reaction practice problems.