Question

Consider the reaction:
B2H6(g) + 3O2(g) --> B2O3(s) + 3H2O(g) ΔH = -2035 kJ
Calculate the amount of heat released when each of the following amounts of diborane (B2H6) is burned.
A mixture of 10.0 g B2H6 and 10.0 g O2

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