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13 Dec 2019

In the activity, click on the Keq and ΔG∘ quantities to observe how they are related. Calculate ΔG∘ using this relationship and the equilibrium constant (Keq) obtained in Part A at T=298K:

Keq=1.92×1026

Express the Gibbs free energy (ΔG∘) in joules to three significant figures.

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Lelia Lubowitz
Lelia LubowitzLv2
17 Dec 2019

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Related questions

Consider the following reaction:

3CH4(g)→C3H8(g)+2H2(g)

Part A

Using data from Appendix C in the textbook, calculate ΔG∘ at 298 K .

Express the Gibbs free energy in kilojoules to one decimal place.

Answer

ΔG∘ =

128.9

 kJ
ΔG∘ =

Part B

Calculate ΔG at 298 K if the reaction mixture consists of 40 atm of CH4 , 0.015 atm of C3H8 , and 2.3×10−2 atm of H2 .

Express the Gibbs free energy in kilojoules to two significant digits.

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