True or false? (a) CP,m − CV,m = R for all gases, (b) CP − Cv = TVα2/k for every substance, (c) ∆G is always zero for a reversible process in a closed system capable of P−V work only, (d) The Gibbs energy of a closed system with P-V work only is always minimized at equilibrium, (e) The work done by a closed system can exceed the decrease in the system’s internal energy. (f) For an irreversible, isothermal, isobaric process in a closed system with P-V work only, ∆G must be negative, (g) Gsyst + Gsurr is constant for any process. (h) ∆S is positive for every irreversible process. (i) ∆S syst + ∆Ssurr is positive for every irreversible process. (j) ∆(TS) = S ∆T + T ∆S.(k) ∆ (U −TS) =∆U − ∆ (TS). (l) (∂V/∂T)p = ∆V/∆T for a constant-pressure process. (m) If a system remains in thermal and mechanical equilibrium during a process, then its T and P are constant during the process. (n) The entropy S of a closed system with P-V work only is always maximized at equilibrium, (o) If a > b, then we must have ka > kb, where k is a nonzero constant.
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