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The enthalpy and entropy change for the reaction,
P \( \mathrm{Br}_{2}(l)+\mathrm{Cl}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{BrCl}(\mathrm{g}) \) are \( 30 \mathrm{~kJ} \mathrm{~mol}^{-1} \) and 105

W \( \mathrm{Jk}^{-1} \mathrm{~mol}^{-1} \) respectively. The temperature at which the reaction will be in equilibrium is:
(1) \( 285.7 \mathrm{~K} \)
(2) \( 273 \mathrm{~K} \)
(3) \( 450 \mathrm{~K} \)
(4) \( 300 \mathrm{~K} \)
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