Homework Help: Physics

Posted by Kelsey on Saturday, March 19, 2011 at 5:24pm.

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?

Physics - bobpursley, Saturday, March 19, 2011 at 5:37pm
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.

Answer this Question

Related Questions

Chemistry - Can someone check my answer for me... 1)Suppose a piece of lead with...
Chemistry - 1)Suppose a piece of lead with a mass of 14.9 g at a temperature of ...
physics - A hot stell ball of mass 1 kg is dropped into a 4 L bucket of water at...
Chemistry - Suppose a piece of lead with a mass of 14.9 g at a temperature of 92...
Chemistry - Suppose a piece of lead with a mass of 14.9g at a temperature of 92....
Physics - i'm really lost here. please show me how to solve this A 0.10 kg ...
Physics - A copper calorimeter can with mass .100 kg contains .160 kg of water ...
physics - A copper calorimeter can with mass .100 kg contains .160 kg of water ...
chemistry - Suppose a piece of lead with a mass of 14.9g at a temperature of 92....
physics - A copper calorimeter can with mass 0.202 kg contains 0.185 kg of water...

For Further Reading

First Name:
School Subject:
Answer: