Asked by Kelsey

A 3 Kg lead ball is dropped into a 3 L insulated pail of water initially at 20.0 degrees C. If the final temperature of the water-lead combination is 25 degress C, what was the initial temperature of the lead ball?

Answers

Answered by bobpursley
the sum of the heats gained is zero.

heat gained by water+heat gained by Pb =0
3000*Cw(Tf-20)+3*Cpb*(Tf-Ti)=0
solve for Ti lead.
Answered by deez nuts
69 degrees
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