look up the specific heat capacity for lead.
Heat= mass*specificheat*(Tf-ti)
make certain mass is in the same units as the specific heat capacity is.
Why do you keep posting this question?
How much heat does it take to raise 1.0 kg of lead from 0 degree celsius to 90 degree celsius?
2 answers
Calculate the heat of 5kg of lead [s.h.c of lead
2 answers