enthalpy

Introductory Chemistry: A Foundation
8th Edition
ISBN:9781285199030
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter10: Energy
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Problem 66AP: Calculate the enthalpy change when 1.0(1 g of methane is burned in excess oxygen according to the...
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Given the following reactions  

Fe2O3 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g)      ΔH = -26.6 kJ 

3Fe (s) + 4CO2 (s) → 4CO (g) + Fe3O4 (s)      ΔH = +10.2 kJ 

the enthalpy of the reaction of Fe2O3 with CO 

3Fe2O3 (s) + CO (g) → CO2 (g) + 2Fe3O4 (s) 

is __________ kJ.  

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