Chemistry · Chemical Thermodynamics
If ΔrH° and ΔrS° are the standard enthalpy change and standard entropy change respectively for a chemical reaction, which of the following statements is incorrect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ΔrH° = positive, ΔrS° = negative; non-spontaneous at all temperatures
- 2ΔrH° = positive, ΔrS° = positive; non-spontaneous at low temperatures
- 3ΔrH° = negative, ΔrS° = negative; non-spontaneous at low temperatures✓
- 4ΔrH° = negative, ΔrS° = positive; spontaneous at all temperatures
Correct answer
ΔrH° = negative, ΔrS° = negative; non-spontaneous at low temperatures
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