Question: A 2.3-kg lead ball is dropped into a 2.5-L insulated pail of water initially at 20.0oC, if the final temperature of the water-lead combination is

A 2.3-kg lead ball is dropped into a 2.5-L insulated pail of water initially at 20.0oC, if the final temperature of the water-lead combination is 28.0oC, what was the initial temperature of the lead ball?

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