Question: In a constant volume calorimeter, 3.5g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature of

In a constant volume calorimeter, 3.5g of a gas with molecular weight

In a constant volume calorimeter, 3.5g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature of the calorimeter was found to increase from 298.0 K to 298.45 K due to the combustion process. Given that the heat capacity of the calorimeter is 2.5 k.J K 1, the numerical value for the heat of combustion of the gas in kJ mol1 at constant volume is?

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