November 25, 2015

Homework Help: Chemistry

Posted by Sarah on Monday, February 4, 2013 at 6:29pm.

What is the value of q when 8.21g of water vaporizes at 373 K? The enthalpy of condensation of water at 373 K is -40.7 kJ/mol.

I tried using the equation q= m x Cs x Delta T, but I never got the right answer which is 18.5 kJ apparently, so I need to find out what I did wrong.

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