Question

A well-insulated 0.2kg copper bowl contains 0.10kg of ice, both at −10◦ C. A very hot 0.35kg copper cylinder is dropped into it and the lid quickly closed. The final temperature of the system is 100◦C, with 5g of steam in the container.

(a) How much heat was transferred to the water (in all phases);

(b) How much to the bowl?

(c) What must have been the original temperature of the cylinder?

The specific heat of copper is 386 J/kg·K.

The specific heat of ice is 2100 J/kg·K

The latent heat of fusion of ice is 333 kJ/kg.

The specific heat of liquid water is 4186J/kg·K.

The latent heat of vaporization of water is 2260kJ/kg

Answer #1

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