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The standard Gibbs energy change at 300 K for the reaction $2A \rightleftharpoons B +C$ is $2494.2J$ . At a given time, the composition of the reaction mixture is $[A]= \frac{1}{2}, [B]=2$ and $ [C]=\frac{1}{2}$. The reaction proceeds in the : $[R= 8.314\;J/K/mol,e=2.718]$

$\begin{array}{1 1} \text{forward direction because } Q > K_c \\\text{reverse direction because } Q > K_c \\ \text{forward direction because} Q < K_c \\ \text{reverse direction because} Q < K_c \end{array} $

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