Q4) A cube of ice of mass 100 g is put into a glass of water at just above 0"C, When the ice melts, about 33 kl of energy is absorbed from the surroundings as heat. a) What is the change in entropy of the ice in J/K. b) What is the change in entropy of the surroundings (the glass of water)? c) What is total entropy change?

Q4) A cube of ice of mass 100 g is put into a glass of water at just above 0"C, When the ice melts, about 33 kl of energy is absorbed from the surroundings as heat. a) What is the change in entropy of the ice in J/K. b) What is the change in entropy of the surroundings (the glass of water)? c) What is total entropy change?

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter15: Energy And Chemical Change

Section: Chapter Questions

Problem 95A

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Question

Q4) A cube of ice of mass 100 g is put into a glass of water at just above 0°C
When the ice melts, about 33 kl of energy is absorbed from the surroundings
as heat.
a) What is the change in entropy of the ice in 3/K.
b) What is the change in entropy of the surroundings (the glass of water)?
c) What is total entropy change?

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