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Consider a microwave that is rated 1100 W and that at full power heats 250 mL of water from 20C

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Consider a microwave that is rated 1100 W and that at full power heats 250 mL of water from 20°C to 95°C in 2 minutes.

(a). What is the total change in internal energy of the water? 

(b). If the electrical power supplied to the microwave is really 1100 W, what is the total quantity of electrical work supplied to the microwave in 2 minutes? 

(c). What fraction of the electrical power supplied to the microwave is converted to internal energy of the water?  

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Related Book For  answer-question
Introduction To Chemical Engineering Thermodynamics

Introduction To Chemical Engineering Thermodynamics

ISBN: 9781260597684

9th International Edition

Authors: J.M. Smith, Mark Swihart Hendrick C. Van Ness, Michael Abbott

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Question Details
Chapter # 2- The First Law and Other Basic Concepts..
Section: Problem
Problem: 50
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Question Posted: September 10, 2023 01:00:08
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