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The heat of combustion of methane at con...

The heat of combustion of methane at constant volume measured in a bomb caloriemeter at 298K is found to be -885389 Jmol -1, Calculate the value of heat of combustion at constant pressure.

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The reaction of cyanamide, NH_2CN(s) with oxygen was carried out in a bomb calorimeter and DeltaU was found to be - 742.7 kJ mol^-1 at 298 K. Calculate the enthalpy change for the reaction at 298 K.

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