[" The heat of combustion of "C_(2)H_(4),C_(2)H_(6)" and "H_(2)" are "],[-1409.5KJ,-1558.3KJ" and "-285.6KJ" .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 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(g)), C_(2)H_(6(g)) and H_(2(g)) are -1409.4,-1558.3 and -285.6 kJ respectively. Calculate heat of hydrogenation of ethylene.

The heats of combustion of C_(2)H_(4(g)), C_(2)H_(6(g)) and H_(2(g)) are -1405,-1558.3 and -285.6 kJ respectively. Calculate heat of hydrogenation of ethylene.

Heats of combustion of C_2H_4, H_2 and C_2H_6 are -1409 K.J, -285 K.J and -1558 KJ . Heat of hydrogenation of ethylene is

The heat of combustion of CH_(4)(g), C_(2)H_(6)(g) and H_(2)(g) are -890.3, -1559,7 and -285.9 kJ mol^(-1) , respectively. Which of these fuels is most efficient?

The heat of combustion of CH_(4)(g), C_(2)H_(6)(g) and H_(2)(g) are 890.3, 1559,7 and 285.9 kJ mol^(-1) , respectively. Which of these fuels is most efficient?

The heats of combustion for C, H_(2) and CH_(4) are -349, -241.8 and -906.7 kJ respectively. The heat of formation of CH_(4) is