# Gibbs Free Energy Minimization Applied to the Haber Process

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Consider the high-pressure synthesis of ammonia (), known as the Haber process. This Demonstration shows plots of the mole fractions of all three components (, , and , in red, blue, and green, respectively) for temperatures ranging from 420 K to 800 K.

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Contributed by: Housam Binous, Ahmed Bellagi, Brian G. Higgins, Ahmed Aheed, and Mohammad Mozahar Hossain (January 2015)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

References

[1] I. Barin and G. Platzki, *Thermochemical Data of Pure Substances*, 3rd ed., New York: VCH Publishers, Inc., 1995.

[2] S. I. Sandler, *Chemical and Engineering Thermodynamics*, 3rd ed., New York: John Wiley & Sons, 1999.

[3] H. Binous, A. Aheed and M. M. Hossain, "Haber Process and Steam-Coal Gasification: Two Standard Thermodynamic Problems Elucidated Using Two Distinct Approaches," *Computer Applications in Engineering Education Journal*, DOI: 10.1002/cae.21672.

## Permanent Citation

"Gibbs Free Energy Minimization Applied to the Haber Process"

http://demonstrations.wolfram.com/GibbsFreeEnergyMinimizationAppliedToTheHaberProcess/

Wolfram Demonstrations Project

Published: January 15 2015