Author Question: A 5-kg piece of lead (specific heat 0.03 cal/gC) having a temperature of 80C is added to 500 g of ... (Read 385 times)

aabwk4 · **on:** Jul 28, 2018

A 5-kg piece of lead (specific heat 0.03 cal/gC) having a temperature of 80C is added to 500 g of water having a temperature of 20C. What is the final equilibrium temperature (in C) of the system?
a. 79
b. 26
c. 54
d. 34
e. 20

Question 2

A 5-gallon container of water (approximately 20 kg) having a temperature of 212F is added to a 50-gallon tub (approximately 200 kg) of water having a temperature of 50F. What is the final equilibrium temperature (in C) of the mixture?
a. 54
b. 36
c. 18
d. 66
e. 14