PROBLEM: At 25°C (298 K), the reduction of copper(1) oxide is ΔΗ = 58.1 kJ nonspontaneous AG = 8.9 kJ). Calculate the temperature at which the reaction becomes spontaneous. AS = 0.165 kJ/K

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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PROBLEM: At 25°C (298 K), the reduction of copper(1) oxide is
nonspontaneous AG = 8.9 kJ). Calculate the temperature
at which the reaction becomes spontaneous.
ΔΗ = 58.1 kJ
AS = 0.165 kJ/K
Transcribed Image Text:PROBLEM: At 25°C (298 K), the reduction of copper(1) oxide is nonspontaneous AG = 8.9 kJ). Calculate the temperature at which the reaction becomes spontaneous. ΔΗ = 58.1 kJ AS = 0.165 kJ/K
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hello sorry, i dont understand in this part mind making it clear?

Let's put the given values into the formula:

∆H = T∆ST = ∆H∆ST = 58.1 kJ0.165 kJ/KT = 58.1 kJ0.165 kJ/KT = 58.1 K0.165 T = 352.12 KT = 352.12-273.15 = 78.97oCT =  79oC (352 K)

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