I got an answer of 138kJ but it was wrong, please help

General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
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I got an answer of 138kJ but it was wrong, please help

Bond Bond Energy (kJ/mol)
Н-Н
436
0=0
498
O-0
146
Н-О
463
Using the values of bond energy from the table above, estimate the
enthalpy change for the following reaction:
H2(g) + O2(g) – H2O2(g)
138|
kJ
Transcribed Image Text:Bond Bond Energy (kJ/mol) Н-Н 436 0=0 498 O-0 146 Н-О 463 Using the values of bond energy from the table above, estimate the enthalpy change for the following reaction: H2(g) + O2(g) – H2O2(g) 138| kJ
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