Homework Help: chem 101

Posted by Anonymous on Wednesday, April 11, 2012 at 3:41pm.

How much heat is required to raise the temperature
of exactly one liter of water fro m 60 °F to 180 °F?
answer: 279 kj/mol

chem 101 - DrBob222, Wednesday, April 11, 2012 at 5:02pm
Convert 60 F to C. Convert 180 F to C.
q = mass x specific heat x (Tfinal-Tinitial).
Tf and Ti to be in celsius.
mass of 1L H2O = 1000 g.
The answer is not right. The answer is 279 kJ (for 55.5 mol) and not 279 kJ/mol.
chem 101 - Anonymous, Friday, April 13, 2012 at 4:29pm
I just copied the units wrong from the practice test we have.

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