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April 27, 2015

Homework Help: physics

Posted by Jannis on Monday, April 11, 2011 at 6:48pm.

100g water, need to raise solution of sodiun acetate 20 degrees. how much energy does it require and how much sodium acetate will you need? Enthalpy of crystallisation is -260kJ.
How do I work it out?q= Cp n ∆T?
Do you use the density of SA any where? it is 1.528g.
I need the correct calculation to calculate the total enthalpy of the reaction.

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