An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: pice = 917 kg/m³, Pwater 1 000 kg/m³, Cice Ly= 2.26 x 106 J/kg. 7= = 2 090 J/kg-K, Cwater = 4 186 J/ kg.K, L= 3.33 × 105 J/kg, and

An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: pice = 917 kg/m³, Pwater 1 000 kg/m³, Cice Ly= 2.26 x 106 J/kg. 7= = 2 090 J/kg-K, Cwater = 4 186 J/ kg.K, L= 3.33 × 105 J/kg, and

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 4.7CYU: Check Your Understanding A 50-g copper piece at a temperature of 20 is placed into a large...

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