Pick out the wrong statement:
(A) The expansion of a gas in vacuum is an irreversible process (B) An isometric process is a constant pressure process
(C) Entropy change for a reversible adiabatic process is zero (D) Free energy change for a spontaneous process is negative
(A) The expansion of a gas in vacuum is an irreversible process (B) An isometric process is a constant pressure process
(C) Entropy change for a reversible adiabatic process is zero (D) Free energy change for a spontaneous process is negative