for a reaction, ΔH= 206 kJ/mol and ΔS=0.215 kj/(k•mol). At what temperatures is this reaction spontaneous?

When the temperature of the reaction is > 958.1K

Explanation:

A reaction is spontaneous when ΔG < 0.

We can solve this question finding the temperature at which ΔG < 0 using the equation:

ΔG = ΔH - TΔS

As ΔG < 0

ΔH < TΔS

206kJ/mol < T*0.215kJ/K.mol

958.1K < T

When the temperature of the reaction is > 958.1K, the reaction is spontanous because ΔG < 0.

a

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