1.

The heat of combustion of CH4(g),graphite and H2(g) are 20 kcal,-40 kcal and-10 kcal respectively. The heat of formationof methane is

Answer» The heat of combustion of CH4(g),graphite and H2(g) are 20 kcal,-40 kcal and-10 kcal respectively. The heat of formationof methane is


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