For the equilibrium process $H_2O_{(\ell)} \rightleftharpoons H_2O_{(g)}$ at $1 \, \text{atm}$ and $373 \, K$,which of the following is true?

  • A
    Standard free energy change is zero $(\Delta G^o = 0)$
  • B
    Free energy change is zero $(\Delta G = 0)$
  • C
    Free energy change is less than zero $(\Delta G < 0)$
  • D
    Free energy change is greater than zero $(\Delta G > 0)$

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