Answer to Question #166924 in General Chemistry for hebah

General Chemistry

Question #166924

the molar enthalpy of combustion of ethanol (c2H5OH) is -1366.8kj/mol what is the enthalpy change when 10.00 grams of ethanol is combusted

Expert's answer

n(C₂H₅OH)=m/M=10/46 = 0.2174 mol

H= (-1366.8)*0.2174 = -297.14 kJ

Answer: -297.14 kJ

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