Homework Help: Chemistry

Posted by Anonymous on Tuesday, July 15, 2008 at 11:13pm.

86.3 g of water in a calorimeter have an initial temperature of 24 degrees C. The temperature increased to 33.1 degrees C when 54.3 g of a sample of metal initially at 99.7 degrees C is added to the calorimeter and allowed to equilibrate with the water.

Calculate the specific heat of the metal in joules/g degrees C.

Chemistry - DrBob 222, Tuesday, July 15, 2008 at 11:27pm
qH2O + qmetal = 0

qH2O = mass H2O x specific heat water x (Tfinal-Tinitial).

qmetal = mass metal x specific heat metal x(Tfinal-Tinitial).

Just plug in the numbers and solve for specific heat metal.
- Chemistry - student, Wednesday, July 16, 2008 at 9:36am
  23
Chemistry - DrBob222, Wednesday, July 16, 2008 at 11:22am
No, it isn't 23.
Chemistry - Anonymous, Sunday, April 10, 2011 at 10:01pm
is it 186.1?

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