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(a) Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. If the water is initially at 25C, and the

(a) Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. If the water is initially at 25C, and the ice comes directly from a freezer at -15C, what is the final temperature at thermal equilibrium? (b) What is the final temperature if only one ice cube is used?

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