Alisia S.

asked • 05/08/19

How much energy is evolved during the rxn of 32.5g of B2H6 and 72.5g of Cl2?

Molar mass of B2H6 is 27.62 g/mol

B2H6(g)+6Cl2(g)= 2BCl3(g)+ 6HCl(g)

Delta H rxn= -1396 kJ

J.R. S.

tutor
I think the question probably stated that the -1396 is kJ/mole and not kJ. If it were kJ, then that would be the answer since is says that's the ∆H of the "reaction".
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05/09/19

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