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For the Phase Transition H2O2 (L) ⇄ H2O2 (G) at 298

Question 94

Multiple Choice

For the phase transition H2O2 (l) ⇄ H2O2 (g) at 298 K, Δ\Delta G °\degree = 14.8 kJ/mol.Calculate Δ\Delta G when the partial pressure of hydrogen peroxide in a closed container is 1.00 torr.Will liquid H 2O2 spontaneously evaporate, or will vapor phase H2O2 spontaneously condense?


A) ( Δ\Delta G =16.4 kJ/mol; liquid H2O2 will evaporate.)
B) ( Δ\Delta G =1.6 kJ/mol; liquid H2O2 will evaporate.)
C) ( Δ\Delta G = 14.8 kJ/mol; vapor-phase H2O2 will condense.)
D) ( Δ\Delta G = 8.17 kJ/mol; vapor-phase H2O2 will condense.)
E) ( Δ\Delta G = 0 kJ/mol; the system is at equilibrium.)

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