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Liquid Nitrogen has a boiling point of -195.8 celsius. Drop a silver coin with a mass 10 kg in it. The initial temperature of coin is 90 degrees. Find what mass of the liquid nitrogen boils off as nitrogen cools?

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We assume the liquid nitrogen is just at the boiling point. As the silver coin at 90 degrees C is dropped in liquid nitrogen, the coin loses heat to the liquid nitrogen and cools down. The heat taken by the nitrogen from the coin goes to convert some of the ...

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