Problem: From data in Appendix 4, calculate ΔH°, ΔS°, and ΔG° for each of the following reactions at 25°C.a. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g)

FREE Expert Solution

We’re given the ΔH˚f, ΔG˚f, and ΔS˚f  of each reactant and product:



ΔH°f (kJ/mol)

ΔG°f (kJ/mol)

ΔS°f (J/K·mol)

CH4(g)

– 75.0

– 51.0

186.0

O2(g)

0

0

205.0

CO2(g)

– 393.5

– 394.0

214.0

H2O(g)

– 242.0

– 229.0

189.0



For ΔH°rxn: We can use the following equation to solve for ΔH˚rxn:


ΔH°rxn=ΔH°f, prod-ΔH°f, react


View Complete Written Solution
Problem Details

From data in Appendix 4, calculate ΔH°, ΔS°, and ΔG° for each of the following reactions at 25°C.

a. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g)

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Gibbs Free Energy concept. You can view video lessons to learn Gibbs Free Energy. Or if you need more Gibbs Free Energy practice, you can also practice Gibbs Free Energy practice problems.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.