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November 26, 2014

November 26, 2014

Posted by **brittany** on Friday, March 15, 2013 at 1:22pm.

- chemistry -
**Devron**, Friday, March 15, 2013 at 2:06pmThe equation needed is

q=mc∆T

where

q=1.75 kJ =1750 j

m=?

c=0.129 J/g ºC

∆T=89.5ºC-28.2ºC=61.3ºC

Solve for m,

q/c∆T=m

1750 j/[0.129 J/g ºC*(61.3ºC)]=m

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