February 21, 2017

Homework Help: chemistry

Posted by Sarah on Sunday, April 6, 2008 at 6:15pm.

When water freezes, the phase change that occurs is exothermic (DH = -6.02 kJ). Based on the change in enthalpy, you would expect that water would always freeze. Use the concepts of entropy and free energy to explain why this phase change is favourable only below o degrees Celsius

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