Please help me In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg-K) at 53.0°C is mixed with 81.0 g of water (with a specific heat of4186 J/kg-K) at 13.0°C, with the mixture thermally isolated. (a) What is the equilibrium temperature? What are the entropy changes of(b) the aluminum, (c) the water, and (d) the aluminum-water system?(a) NumberUnits(b) NumberiUnits(c) NumberUnits(d) NumberiUnits>>> A 30 g ice cube at -75°C is placed in a lake whose temperature is 87°C. Calculate the change in entropy of the cube-lake system as theice cube comes to thermal equilibrium with the lake. The specific heat of ice is 2220 J/kg-K. (Hint: Will the ice cube affect thetemperature of the lake?)NumberiUnits

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In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg-K) at 53.0°C is mixed with 81.0 g of water (with a specific heat of 4186 J/kg-K) at 13.0°C, with the mixture thermally isolated. (a) What is the equilibrium temperature? What are the entropy changes of (b) the aluminum, (c) the water, and (d) the aluminum-water system?

In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg-K) at 53.0°C is mixed with 81.0 g of water (with a specific heat of 4186 J/kg-K) at 13.0°C, with the mixture thermally isolated. (a) What is the equilibrium temperature? What are the entropy changes of (b) the aluminum, (c) the water, and (d) the aluminum-water system?

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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Question

Please help me

In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg-K) at 53.0°C is mixed with 81.0 g of water (with a specific heat of
4186 J/kg-K) at 13.0°C, with the mixture thermally isolated. (a) What is the equilibrium temperature? What are the entropy changes of
(b) the aluminum, (c) the water, and (d) the aluminum-water system?
(a) Number
Units
(b) Number
i
Units
(c) Number
Units
(d) Number
i
Units
>
>
>

A 30 g ice cube at -75°C is placed in a lake whose temperature is 87°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
temperature of the lake?)
Number
i
Units

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