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## Homework Statement

A piece of metal with a mass of 1.50 kg, specific heat of 200 J/kg*

^{o}C, and initial temperature of 100

^{o}C is dropped into an insulated jar that contains liquid with a mass of 3.00 kg, specific heat of 1,000 J/kg*

^{o}C, and initial temperature of 0

^{o}C. The piece of metal is removed after 5 seconds, at which time its temperature is 20

^{o}C. Neglect any effects of heat transfer to the air or insulated jar.

The temperature of the liquid after the metal is removed is ... ?

## Homework Equations

[delta]U = Q + W

## The Attempt at a Solution

I'm not sure how to apply an equation to solve this. Any guidance?

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