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September 20, 2014

Homework Help: Chemistry

Posted by Lauren on Thursday, November 1, 2007 at 11:52am.

When 23.6 of calcium chloirde CaCl2 was dissolved in water in a calorimeter, the temperature rose from 25.0 degrees C to 21.56 degrees C. If the heat capacity of the solution and the calorimeter is 1071 J/ degrees C, what is the enthalpy change when 1 mol of sodium nitrate dissolves in water? The solution process is

NaNO3 + Na + NO3
Delta H = ?

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