Specific Heat Lab

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Objective:

The purpose of this lab was to calculate the specific heat of a metal cylinder

Procedure:

1. The 100ml Graduated cylinder was filled with water and a rubber stopper.

2. The metal was placed in the Graduated cylinder, water displacement was found.

3. The beaker was filled with water and the metal was placed in the water.

4. The Bunsen burner was lit.

5. The water in the beaker was boiled using the Bunsen burner.

6. The Styrofoam cup was filled with approximately 100ml of water.

7. The temperature of the water in the Styrofoam cup was found.

8. The temperature of the boiling water was found.

9. The thermometer was cooled.

The metal cylinder was removed from the boiling water and placed in the Styrofoam cup using tongs.

The temperature of the water and the metal cylinder was measured.

Theory:

Theory of Water of Displacement: A volume of water was measured. A second volume of water was measured when the metal cylinder was added. The initial volume was subtracted from the second (total) volume to get the volume of the metal cylinder.

D=M/V M=DV therefore: M=D(T-I)

q=M½DT½Cp qgained=qlost

qmetal=Mmetal(Ti-Tf)Cpmetal qH2O=(DH2OV)(Tf-Ti)CpH2O qmetal=qH2O

therefore:

Mmetal(Ti-Tf)Cpmetal=(DH2OV)(Tf-Ti)CpH2O CpH2O=4.

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