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AP Chemistry/Unit 6: Thermodynamics
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Ratio of Specific Heat Capacities

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In a coffee-cup calorimeter, a 25.0 g sample of a metal at 95.0°C is added to 50.0 g of water at 20.0°C, and the final temperature of the system is 25.0°C. A second experiment is conducted using a 25.0 g sample of a different metal at 95.0°C and 50.0 g of water at 20.0°C. The final temperature in the second experiment is 30.0°C. What is the ratio of the specific heat capacity of the second metal to the first metal?

A

0.67

B

1.5

C

0.5

D

2.0

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