Homework Help: Chemistry

Posted by Felicia on Thursday, October 7, 2010 at 7:07pm.

The ΔH per mole of CaCl2 is -81.0 kJ. Calculate the final temperature of an aqueous solution if 30 g of CaCl2 are added to 100 g of water at 23oC. Assume that the specific heat of the solution is the same as that of water

Chemistry - TutorCat, Thursday, October 7, 2010 at 7:26pm
Q=mc∆t
where
Q=heat
m= total mass
c=specific heat of solution= 4.186 x 10^-3 kilojoule/gram °C
∆t=final temp- initial temp

solve for final temperature

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