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August 1, 2015

Homework Help: chemistry

Posted by christine on Monday, October 25, 2010 at 1:13pm.

Metal Specific Heat (J/g-C)
Al (s) 0.900
Au(s) 0.129
Cu(s) 0.385
Fe(s) 0.444
Hg(l) 0.139
H2O(l) 4.184
C2H5OH(l) 2.46

Using the above table, determine the final temperature if 713.6J is released from a 48.2g sample of copper initially at 93.8o C.



i keep coming up withthe wrong answer for this
i am getting 1822.111
-713.6=28.2(.385)(Tf-93.8)
i am getting 1822.111
but when i punch it back into the equation its wrong
please help

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