The heat of combustion of sucrose, $C_{12} H_{22} O_{11}$ (s) at constant volume is $1348.9 k c a l m o l^{- 1}$ at $25^{0} C$ , then the heat of reaction at constant pressure when steam is produced is:

1348.9 k c a l

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- 1342.34 k c a l

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138.9 k c a l

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- 1348.9 k c a l

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Solution

The correct option is B $- 1342.34 k c a l$

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Q. The combustion of benzene at constant volume is -3263.9 kJ

m o l^{- 1}

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m o l^{- 1}

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Q. For combustion of 1 mole of benzene at

25^{0} C

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