已知:C2H5OH(g)+3O2(g)====2CO2(g)+3H2O(g) ΔH1=-a kJ/molC2H5OH(g)====C2H5OH(l) ΔH2=-b kJ/molH2O(g)====H2O(l) ΔH3=-c kJ/mol若使92 g酒精液体完全燃烧,最后恢复到室温,则放出的热量(单位kJ)为:
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