Statement of a problem № 10338


A 155-g aluminum cylinder is removed from a liquid nitrogen bath, where it has been cooled to -196 °C. The cylinder is immediately placed in an insulated cup containing 80.0 g of water at 15.0 °C. What is the equilibrium temperature of this system? If your answer is 0 °C, determine the amount of water that has frozen. The average specific heat of aluminum over this temperature range is 653 J/(kg ( K)?

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