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An unknown mass of tin is heated to a temperature of 202 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. The system reaches an equilibrium temperature of 42 C.
(a) How much heat is gained by the cup and the water?
J
(b) What is the heat lost by the sample of tin?
(c) What is the mass of the tin sample?
g
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