For a particular reaction, δ h ∘ = 55.4 kj δh∘=55.4 kj and δ s ∘ = 94.1 j/k. δs∘=94.1 j/k. assuming these values change very little with temperature, at what temperature does the reaction change from nonspontaneous to spontaneous?

The temperature at which the reaction changes from non-spontaneous to spontaneous is 588.735 K

Explanation:

The spontaneity of a reaction is determined by the change in Gibbs Free Energy, .

If is greater than zero, then a reaction is feasible.

If is less than zero, then a reaction is not feasible.

To determine the temperature at which the reaction changes from non-spontaneous to spontaneous, we should equate the to zero.

We take as the limiting condition.

Therefore, the temperature is: 588.735K

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