47 A 20 g ice cube at -15°C is placed in a lake whose temperature is 15°C. Calculate the change in entropy of the cube-lake system as the ice cube comes to thermal equilibrium with the lake. The specific heat of ice is 2220 J/kg·K. (Hint: Will the ice cube affect the lake temperature?)

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter12: The Laws Of Thermodynamics
Section: Chapter Questions
Problem 48P: A 65-g ice cube is initially at 0.0C. (a) Find the change in entropy of the cube after it melts...
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47 A 20 g ice cube at -15°C is placed in a lake whose
temperature is 15°C. Calculate the change in entropy of the
cube -lake system as the ice cube comes to thermal equilibrium
with the lake. The specific heat of ice is 2220 J/kg· K. (Hint: Will the
ice cube affect the lake temperature?)
Transcribed Image Text:47 A 20 g ice cube at -15°C is placed in a lake whose temperature is 15°C. Calculate the change in entropy of the cube -lake system as the ice cube comes to thermal equilibrium with the lake. The specific heat of ice is 2220 J/kg· K. (Hint: Will the ice cube affect the lake temperature?)
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