CK-12-Chemistry Intermediate

http://www.ck12.org Chapter 20. Entropy and Free Energy

TABLE20.4: Graphite and Diamond Thermodynamic Data

Graphite Diamond

heat of formation (∆Hf°) 0 1.90 kJ/mol

standard entropy (S°) 5.69 J/K•mol 2.4 J/K•mol

Further Reading / Supplemental Links

• GibbsFreeEnergyandEquilibrium, http://www.science.uwaterloo.ca/~cchieh/cact/applychem/gibbsenergy.h
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• FreeEnergyandEquilibrium, http://www.chem1.com/acad/webtext/thermeq/TE5.html

Points to Consider

Acids and bases are extremely important types of chemical compounds that we use virtually every day.

• What are the physical and chemical properties of acids and bases?


• What types of reactions do acids and bases undergo?