The 3rd order reversible reaction given below has an activation energy of the forward reaction equal to -337.177 cal/mol. 2NO(g) + 02(g) ↔ 2N02(g) If the specific rates of the reverse reaction, expressed in moles/L-s, are 73.9 at 600K and 307 at 645K, calculate the heat of reaction at constant volume

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