Question

A piece of metal weighing 60.922 g was heated to 100.0°C and then put into 100.0 mL of water (initially at 23.7°C). The metal and water were allowed to come to equilibrium temperature, determined to be 27.8°C.

A) What is the specific heat of the metal? [ Select ]

B) Was the reaction endothermic or exothermic?

For the water... [ Select ]

For the metal... [ Select ]

C) What is the identity of the metal? [ Select ]

Aluminum = 0.900 J/g·°C

Gold = 0.130 J/g·°C

Iron = 0.444 J/g·°C

Lead = 0.160 J/g·°C

Silver = 0.240 J/g·°C

Tin = 0.210 J/g·°C

Zinc = 0.390 J/g·°C