For a reaction , and .

The temperature (in K) below which the reaction is spontaneous is:

(Enter the integer answer)

Question

For a reaction ,  and .

The temperature (in K) below which the reaction is spontaneous is:

(Enter the integer answer)

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Strategy:
 Calculate the threshold temperature () where the Gibbs free energy change is zero (). For a reaction where both  and  are negative, it is spontaneous at low temperatures.

Step 1: Calculate threshold T

.
The reaction is spontaneous ( less negative than ) at temperatures below .

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