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A sample of copper with a mass of 1.80 kg, initially at a temperature of 150.0°C,...

A sample of copper with a mass of 1.80 kg, initially at a temperature of 150.0°C, is in a well-insulated container. Water at a temperature of 27.0°C is added to the container, and the entire interior of the container is allowed to come to thermal equilibrium, where it reaches a final temperature of 70.0°C. What mass of water (in kg) was added? Assume any water turned to steam subsequently recondenses.

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Total heat of the system will be constant based on this concept we can get answers.

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