11th Edition

ISBN: 9781323575208

Author: YOUNG

Publisher: PEARSON C

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Textbook Question

Chapter 20, Problem 20.24E

CALC You make tea with 0.250 kg of 85.0^°C water and let it cool to room temperature (20.0°C). (a) Calculate the entropy change of the water while it cools. (b) The cooling process is essentially isothermal for the air in your kitchen. Calculate the change in entropy of the air while the tea cools, assuming that all of the heat lost by the water goes into the air. What is the total entropy change of the system tea + air?

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Chapter 20, Problem 20.23E

Chapter 20, Problem 20.25E

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* Coulomb's Law Example Three charges are positioned as seen below. Charge 1 is +2.0 μC and charge 2 is +8.0μC, and charge 3 is - 6.0MC. What is the magnitude and the direction of the force on charge 2 due to charges 1 and 3? 93 kq92 F == 2 r13 = 0.090m 91 r12 = 0.12m 92 Coulomb's Constant: k = 8.99x10+9 Nm²/C² ✓

Make sure to draw a Free Body Diagram as well

Chapter 20 Solutions

UNIVERSITY PHYSICS UCI PKG

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