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ThermodynamicsMCQ

A sample of water in a movable piston is maintained at 100.0 ºC with an external pressure p. Which sThermodynamics Chemistry Question

Question

A sample of water in a movable piston is maintained at 100.0 ºC with an external pressure p. Which statement best describes the transformation of some of the liquid water into water vapor?

A.

It is spontaneous if p ≥ 1 atm.

B.

It is reversible if p = 1 atm and spontaneous if p > 1 atm.

C.

It is nonspontaneous if p ≥ 1 atm.

D.

It is reversible if p = 1 atm and nonspontaneous if p > 1 atm.

✓ Correct
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