Homework Help: college chemistry

Posted by Samantha on Friday, November 19, 2010 at 9:21am.

What is the entropy change for the vaporization of 2.6 mol H2O(งค) at 100◦C and 1 atm? dH= 40700 J/mol
Answer in units of J/K

college chemistry - drwls, Friday, November 19, 2010 at 12:25pm
Since it is a constant-temerature process, the entropy change is the heat of vaporization (2.6 * 40,700 J), divided by the temperature in K (373 in this case).

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