You make tea with 0.250 (kg) of 80.0 ("C] water and let it to cool to 20.0 ['C) before drinking it. Calculate the entropy change of the water while it cools. [kJ] A. -0.195 K В. 0.420 C. 0.195 D. 0.420 K

You make tea with 0.250 (kg) of 80.0 ("C] water and let it to cool to 20.0 ['C) before drinking it. Calculate the entropy change of the water while it cools. [kJ] A. -0.195 K В. 0.420 C. 0.195 D. 0.420 K

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter17: Chemcial Thermodynamics

Section: Chapter Questions

Problem 17.1QE

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Question

You make tea with 0.250 [kg] of 80.0 [°C] water and let it to cool to
20.0 ['C) before drinking it. Calculate the entropy change of the water while it cools.
[kJ]
A. -0.195
K
В. -0.420
K
C. 0.195
D. 0.420

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