Answered: You decide to take a nice hot bath but…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 19P

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You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill the tub with 300 kgkg of 30.0 ∘C∘C water and attempt to warm it further by pouring in 5.10 kgkg of boiling water from the stove.

Part A) Is this a reversible or an irreversible process?

Part B) Use physical reasoning to explain.

Part C) Calculate the final temperature of the bath water.

Part D) Calculate the net change in entropy of the system (bath water + boiling water), assuming no heat exchange with the air or the tub itself. J/K

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