Cooling a Cup of CoffeeYou have a 200 gram cup of coffee at 100 C, too hot to drink. Various cooling strategies demonstrate specific heat, phase changes, and the approach to thermal equilibrium.

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Cooling a Cup of CoffeeYou have a 200 gram cup of coffee at 100 C, too hot to drink. How much will you cool it by adding 50 gm of water at 0 C?

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Cooling a Cup of CoffeeYou have a 200 gram cup of coffee at 100 C, too hot to drink. How much will you cool it by adding 50 gm of ice at 0 C?

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Cooling a Cup of CoffeeYou have a 300 gram cup of coffee at 100 C, too hot to drink. How much will you cool it by forcing 50 gm to evaporate, leaving 250 gm?

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