The heat of reaction for C10H8(s)+12O2(g)→10CO2(g)+4H2O(l) at consta – InterviewSolution

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1.	The heat of reaction for C10H8(s)+12O2(g)→10CO2(g)+4H2O(l) at constant volume is −1228.2 Kcal at 25oC. Calculate the heat of reaction at constant pressure and at 25oC.(Given : R=2×10−3 Kcal K−1 mol−1)
Answer» The heat of reaction for $C_{10} H_{8} (s) + 12 O_{2} (g) \to 10 C O_{2} (g) + 4 H_{2} O (l)$ at constant volume is $- 1228.2 Kcal$ at $25^{o} C$ . Calculate the heat of reaction at constant pressure and at $25^{o} C$ . (Given : $R = 2 \times 10^{- 3} {Kcal K}^{- 1} {mol}^{- 1}$ )

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