Question: You have a 4.5 kg lead block at room temperature.

Question

Part A: Find the energy required to raise the lead’s temperature to its melting point.
Part B: Find the energy required to melt the lead once it’s reached the melting point.

I got the answer to part A. It is 1.8×10^5 J. But I can not find the answer to part B. Could you please help?

Answer 1

look up "heat of fusion" for lead

it's like the specific heat, but for melting