Physics · Thermodynamics
Consider a temperature-volume (T-v) diagram for a pure substance with two constant pressure curves shown at pressures P1 and P2 (where P1 > P2). If h1 is the enthalpy of vaporization at pressure P1 and h2 is the enthalpy of vaporization at pressure P2, which of the following is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The relation between h1 and h2 depends on the substance
- 2h1 is equal to h2
- 3h1 is greater than h2✓
- 4h1 is less than h2
Correct answer
h1 is greater than h2
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