The combustion of ethene, C 2H 4, is given by the equation C 2H 4 + 30 2 → 2CO2 + 2H2 O; ∆H = – 1428 KJ. If the molar heats of formation of water and carbon (IV) oxide are – 286 kJ and – 396 kJ respectively, calculate the molar heat of formation of ethene in KJ
-
A.
– 2792 -
B.
+ 2792 -
C.
– 64 -
D.
+ 64