1.

Diborane is a potenial rocket fuel which undergoes combustion according to the diborane. 2B(s)+ 3/2O_(2)(g) to B_(2)O_(3), Delta H = 1273 mol^(-1) H_(2)(g)1/2O_(2)(g) to H_(2)O(l), DeltaH=-286 KJ mol_(-1) 2B(s) + 3H_(2)(g) to B_(2)H_(6)(g),DeltaH= 36 kJ mol^(-1)

Answer»


ANSWER :`-2035 KJ`


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