Calculate the change in enthalpy associated with the combustion of 50.00 g of acetylene. Report your answer with four significant figures. Do not include a comma in your answer. C2H2(g) + 52 O2(g) ⟶ 2 CO2(g) + 2 H2 O(l) ΔHc∘ = −1301.1 kJ/mol Provide your answer below: kJ