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A metal is heated to 100 degrees Celsius and is cooled in room temperature water at...

A metal is heated to 100 degrees Celsius and is cooled in room temperature water at 20 degrees Celsius. If the mass of the water is 100g, the metal's mass is 45g, and the final temperature of the water/metal system is 31 degrees Celsius, what is the specific heart of the metal.

Please leave final answer in kg.

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