A] Calculate AH° for the reaction C2H4g) + 3 Oze) 2 2002(g) + 2H½O(g) The average bond energies of various bonds are: Bond C -H 0 = 0 C= 0 0-H C=C Energy 414 499 724 460 619 kJ mol- B] Compare the values of AH° obtained by using the enthalpy of formation data: AH° [CO2] = -393.5 kJ mol', AHº [H2O(g)] = -241.8 kJ mol', and AHº [C,H4g)] = 52.3 kJ mol·'.

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A] Calculate AH° for the reaction
C2H49) + 3 Oz(g) + 2C02g) + 2H2Og)
The average bond energies of various bonds are:
Bond
С-Н
0 = 0
C = 0
0-H
C=C
Energy
414
499
724
460
619
kJ mol-
B] Compare the values of AH° obtained by using the enthalpy of
formation data: AH° [CO2] = -393.5 kJ mol', AH? [H20(g)]
= -241.8 kJ mol-', and AH? [C¿H4e)] = 52.3 kJ mol-'.
Transcribed Image Text:A] Calculate AH° for the reaction C2H49) + 3 Oz(g) + 2C02g) + 2H2Og) The average bond energies of various bonds are: Bond С-Н 0 = 0 C = 0 0-H C=C Energy 414 499 724 460 619 kJ mol- B] Compare the values of AH° obtained by using the enthalpy of formation data: AH° [CO2] = -393.5 kJ mol', AH? [H20(g)] = -241.8 kJ mol-', and AH? [C¿H4e)] = 52.3 kJ mol-'.
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