Chemistry · Thermodynamics

For a certain chemical reaction, ΔH = -200 kJ/mol and ΔS = -300 J/mol·K. At what approximate threshold temperature does the reaction transition from spontaneous to non-spontaneous?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1500 K
2700 K
3667 K✓
4600 K

Correct answer

667 K

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For a certain chemical reaction, ΔH = -200 kJ/mol and ΔS = -300 J/mol·K. At what approximate threshold temperature does the reaction transition from spontaneous to non-spontaneous?

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For a certain chemical reaction, ΔH = -200 kJ/mol and ΔS = -300 J/mol·K. At what approximate threshold temperature does the reaction transition from spontaneous to non-spontaneous?

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