A 120-G Block of Copper Is Taken from a Kiln $\degree$

Multiple Choice

A 120-g block of copper is taken from a kiln and quickly placed into a beaker of negligible heat capacity containing 300 g of water.The water temperature rises from 15 $\degree$ C to 35 $\degree$ C.Given c_Cu = 0.10 cal/g* $\degree$ C,and c_water = 1.00 cal/g* $\degree$ C,what was the temperature of the kiln?

A) 500 $\degree$ C
B) 360 $\degree$ C
C) 720 $\degree$ C
D) 535 $\degree$ C