Answer to Question #18439 in Physical Chemistry for Diana

Question #18439
laboratory quantities of ethylene can be prepared by an elimination reaction of ethanol using and acid catalyst.Calculate the enthalpy change for the conversion of ethanol into ethylene and water using standared enthalpies formation.
1
Expert's answer
2012-11-14T07:31:33-0500
C2H5OH(l) = C2H4(g) + H2O(l)
∆H°r 5 ∑ nHfp – ∑ nH ° fr
5 * (–233.3 kJ – (–235.2 kJ)) = 511.9 kJ

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