Question

A 40.0 g Ice Cube floats in 200.0 g of water in a 100.0 g copper...

A 40.0 g Ice Cube floats in 200.0 g of water in a 100.0 g copper cup! All are at a temperature of 0.000C. Then, a piece of lead at 98.00C is dropped into the cup, and the final equilibrium temperature is 12.00C. The specific heat of water and ice is 1.00 cal/g 0C, the specific heat of copper is 0.0924 cal/g 0C, the specific heat of lead is 0.0305 cal/g 0C, and the heat of fusion of ice is 79.9 cal/g. What is the mass of lead?

1) List the variables

2) Draw a picture with cartesian coordinates

3) List the equations

4) solve- mass of lead

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