What mass of benzene (C6H6, molar mass = 78.11 g/mol) is required to produce 1.5x10^3kJ of heat according to the following reaction? 2 C6H6(1) + 15 OŽ(g)→ 12 CO2(g) + 6 H2O(g) AH°rxn = -6278 kJ please explain with work

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