a. Draw an enthalpy cycle to calculate the enthalpy change of formation of ethanol, C 2 H
Question:
a. Draw an enthalpy cycle to calculate the enthalpy change of formation of ethanol, C2H5OH, using enthalpy changes of combustion.
b. Calculate a value for ΔHϴf [C2H5OH(l)] using the following data:
ΔHϴc[C(graphite)] = –393.5 kJ mol–1
ΔHϴc [H2(g)] = –285.8 kJ mol–1
ΔHϴc [C2H5OH(l)] = –1367.3 kJ mol–1
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Combustion of Ethanol C2H5OH 302 2CO2 3H20 Formation of ethanol 2C 3H2 13 02 C2H5OH 302 a Le...View the full answer
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Related Book For
Cambridge International AS And A Level Chemistry Coursebook
ISBN: 9781316637739
2nd Edition
Authors: Lawrie Ryan, Roger Norris
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