What would be the final temperature of the system if 30.0 g of lead at 150.°C is dropped into 10.0 g of water at 10.0°C in an insulated container? (Sp. heat of H2O = 4.18 J/g•°C, Sp. heat of Pb(s) = 0.128 J/g•°C)

What would be the final temperature of the system if 30.0 g of lead at 150.°C is dropped into 10.0 g of water at 10.0°C in an insulated container? (Sp. heat of H2O = 4.18 J/g•°C, Sp. heat of Pb(s) = 0.128 J/g•°C)




a. 12.4°C
b. 16.8°C
c. 19.4°C
d. 21.7°C
e. 24.6°C




Answer: D