A 100-G Block of Copper Is Taken from a Kiln $\degree$

question 68

Multiple Choice

A 100-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 40 $\degree$ 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) 635\(\degree\)C
• C) 790\(\degree\)C
• D) 535\(\degree\)C

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