A] Calculate AH° for the reaction C:Hug) + 3 Ozg ² 200xg) + 2H;O 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 [CO:] = -393.5 kJ mol', AHº (H2O(g)] %3D = -241.8 kJ mol', and AH [C2H«] = 52.3 kJ mol'. %3D %3D

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Activity 2 - 8
A] Calculate AH° for the reaction
C:H«g) + 3 Ozg) 2CO2g) + 2H2Og
The average bond energies of various bonds are:
C-H
Bond
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 [C2H«] = 52.3 kJ mol'.
%3D
Transcribed Image Text:Activity 2 - 8 A] Calculate AH° for the reaction C:H«g) + 3 Ozg) 2CO2g) + 2H2Og The average bond energies of various bonds are: C-H Bond 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 [C2H«] = 52.3 kJ mol'. %3D
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