3. Calculate the AH° for the reaction Caraphite) + 2H, CH 2(g) 4(g) from the following enthalpy changes: CO 219) AH = -393.5 kJ Caraphie) + O20) + O 2(g) AH = -571.6 kJ 2H, 2H,0m 2(g) 2(g) AH = -890.4 kJ CH + 20. 2(9) CO + 2H,0 2(g)

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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3. Calculate the AH for the reaction C,
(graphite)
+ 2H210)
CH,
from the following enthalpy changes:
Caraphite) + Ozia)
Co,
AH = -393.5 kJ
AH = -571.6 kJ
2H,0
COa + 2H,0
2H,
+ 0,
2(g)
2(g)
CH,
+ 20,
2(g)
AH = -890.4 kJ
4(g)
2(g)
Transcribed Image Text:3. Calculate the AH for the reaction C, (graphite) + 2H210) CH, from the following enthalpy changes: Caraphite) + Ozia) Co, AH = -393.5 kJ AH = -571.6 kJ 2H,0 COa + 2H,0 2H, + 0, 2(g) 2(g) CH, + 20, 2(g) AH = -890.4 kJ 4(g) 2(g)
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