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Question

Given the thermochemical equation, H2(g) + Br2(l) 2HBr(g), ΔH = −72.4 kJ/mol, calculate the amount of heat released when a kilogram of Br2(l) is consumed in this reaction. (a)7.24 × 104 kJ (b)453 kJ (c)906 kJ (d)227 kJ (e)724 kJ