Physics · Thermodynamics
For a perfect gas, which of the following relations for change in specific entropy (S2 - S1) is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1S2 - S1 = cv ln(T2/T1) - R ln(P2/P1)
- 2S2 - S1 = cp ln(T2/T1) - R ln(P1/P2)
- 3S2 - S1 = cv ln(T1/T2) - R ln(P2/P1)
- 4S2 - S1 = cp ln(T2/T1) - R ln(P2/P1)✓
Correct answer
S2 - S1 = cp ln(T2/T1) - R ln(P2/P1)
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