Pick out the Clausius-Clapeyron equation from the following?
Correct answer: B. ln P = - (ΔH/RT) + constant
- A. dP/dT = ΔH/TΔV
- B. ln P = - (ΔH/RT) + constant
- C. ΔF = ΔH + T [∂(ΔF)/∂T]P
- D. None of these
Explanation
The integrated Clausius-Clapeyron relation for vaporization is ln P = -ΔH/(RT) + constant, assuming approximately constant latent heat and vapor behavior. Option a is the more general Clapeyron equation, not its usual integrated Clausius form.
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