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Heat of combustion of CH(4),C(2)H(6), C(...

Heat of combustion of `CH_(4),C_(2)H_(6), C_(2)H_(4)` and `C_(2)H_(2)` gases are -212.8, -212.8, -373.0, -337.0 and -310.5 Kcal respectively at the same temperature. The best fuel among these gases is :

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Heats of combustion of CH_(4),C_(2)H_(6),C_(2)H_(4) and C_(2)H_(2) are -212.8,-373.0,-337.0 and -310.5 kcal respectively at the same temperature. The best fuel among these gases is:

C_(2)H_(4),C_(4)H_(10), C_(3)H_(8),CH_(4)

The heats of combustion of C_(2)H_(4), C_(2)H_(6) and H_(2) gases are -1409.5 KJ, -1558.3 KJ and -285.6 KJ respectively. The heat of hydrogenation of ethene is

The heats of combustion of C_(2)H_(4), C_(2)H_(6) and H_(2) gases are -1409.5 KJ, -1558.3 KJ and -285.6 KJ respectively. The heat of hydrogenation of ethene is

The heat of combustion of CH_(4)(g) , C(graphite) and H_(2)(g) are - 20 Kcal, - 40 Kcal and -10 Kcal respectively. The heat of formation of methane is