
Grade 11Discuss with colleagues and IITians
heat of formation of ch4 at constant pressure is -18500 cal at 298 k.the heat of formation at constant vol is [ given C +2H2------CH4 ,delta H =18500 cal]
heat of formation of ch4 at constant pressure is -18500 cal at 298 k.the heat of formation at constant vol is [ given C +2H2------CH4 ,delta H =18500 cal]




