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A student drops a 0.35-kg piece of steel at 42 ℃ into a container of water at 22 ℃

A student drops a 0.35-kg piece of steel at 42 ℃ into a container of water at 22 ℃. The student also drops a 0.56-kg chunk of lead into the same container at the same time. The temperature of the water remains the same.


What was the temperature of the lead?

Express your answer to two significant figures and include appropriate units.

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