Question

Mathematical relation between heat of reaction at constant pressure and volume

Answer 1

Solution :

Heat of reaction at constant pressure is enthaply, Qp=ΔH

Heat of reaction at constant volume is internal energy Qv=ΔU

enthapy and internal energy relationship at const pressure as ΔH=ΔU+PΔV

that is Qp=Qv+PΔV

or it can also be written asQp=Qv+nRΔT

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