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Problem 9 - Entrance Test
If ΔG = ΔH - TΔS and ΔG = -ve for spontaneous reaction then
A. ΔH is +ve and ΔS is +ve
B. ΔH is -ve and ΔS is -ve
C. ΔH is +ve and ΔS is -ve
D. ΔH is -ve and ΔS is +ve
Check Answer
Show Solution
Correct: D
For a spontaneous reaction, ΔG is negative. The equation ΔG = ΔH - TΔS shows that ΔG is negative when ΔH is negative and ΔS is positive