Levels Tought:
Elementary,Middle School,High School,College,University,PHD
Teaching Since: | Apr 2017 |
Last Sign in: | 234 Weeks Ago, 6 Days Ago |
Questions Answered: | 12843 |
Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
Part AÂ
What is the change in entropy of 2.00Â m
3 of water at 0 ∘C when it is frozen to ice at 0 ∘C?
Express your answer with the appropriate units.
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THESE ARE TWO DIFFERENT QUESTIONS
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Â
A heat engine utilizes a heat source at 570 ∘C and has a Carnot efficiency of 35 % .
Part AÂ
To increase the efficiency to 38Â %, what must be the temperature of the heat source?
Express your answer using two significant figures.
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