Given the following reaction: CH4G) + O2ig) + Cs) + 2H,00 ΔΗ - 118.7 kcal 1 Cs) + O2lg) → CO(g) AH° - 26.4 kcal 2 1 O2ig) → CO29) AH° = - 67.7 kcal 2 Consider the combustion of methane, determine the AH° using Hess's Law. CH49) + 202ig) → CO2(@) + 2H,O0 ΔΗ- =

Given the following reaction: CH4G) + O2ig) + Cs) + 2H,00 ΔΗ - 118.7 kcal 1 Cs) + O2lg) → CO(g) AH° - 26.4 kcal 2 1 O2ig) → CO29) AH° = - 67.7 kcal 2 Consider the combustion of methane, determine the AH° using Hess's Law. CH49) + 202ig) → CO2(@) + 2H,O0 ΔΗ- =

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter4: Chemical Reactions

Section: Chapter Questions

Problem 4.75P

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

Given the following reaction:
CH4G) + O2ig) + Cs) + 2H,00
ΔΗ
- 118.7 kcal
1
Cs) +
O2lg) → CO(g)
AH°
- 26.4 kcal
2
1
O2ig) → CO29)
AH° = - 67.7 kcal
2
Consider the combustion of methane, determine the AH° using
Hess's Law.
CH49) + 202ig) → CO2(@) + 2H,O0
ΔΗ-
=

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