State the criteria for a spontaneous process in terms of $\Delta G$ at constant pressure and temperature.

  • A
    $\Delta G < 0$
  • B
    $\Delta G > 0$
  • C
    $\Delta G = 0$
  • D
    $\Delta G = 1$

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For the reaction $CaCO_{3(s)} \to CaO_{(s)} + CO_{2(g)}$,given $\Delta H^o = 178.3 \, kJ$ and $\Delta S^o = 160 \, J \cdot K^{-1}$. At what temperature will the reaction become spontaneous?

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The criterion for a spontaneous process is

The standard reaction Gibbs energy for a chemical reaction at an absolute temperature $T$ is given by $\Delta_{r}G^{o} = A - BT$,where $A$ and $B$ are non-$zero$ constants. Which of the following is $TRUE$ about this reaction?

Which of the following is not correct?

The correct thermodynamic conditions for a spontaneous reaction at all temperatures are:

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