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QuizMultiple Choice

Temperature and Heat

Question 1 • 25-26 CHEMISTRY IN THE EARTH SYSTEM S1

Copper has a specific heat of 0.386 J/g°C. How much heat is required to increase 5.00 g of copper from 0.0°C to 10.0°C?

Answer
A
3.86 J
B
5.00 J
C
10.0 J
D
19.3 J

Explanation

Use the heat equation q = mcΔT, where m = 5.00 g, c = 0.386 J/g°C, and ΔT = 10.0°C − 0.0°C = 10.0°C. Thus, q = (5.00)(0.386)(10.0) = 19.3 J. The required heat is 19.3 J, choice D.

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