Question: 7. Predict whether q, w, U, and H are positive, zero, or negative for: a. condensation of water vapor to liquid water at 100 C.

7. Predict whether q, w, U, and H are positive, zero, or negative for: a. condensation of water vapor to liquid water at 100 C. b. melting of solid benzene at its freezing point of 8 C. c. reversible isothermal compression of a perfect gas. d. reversible adiabatic expansion of a perfect gas.

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