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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 1 Day Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1. Which of the two gases—helium or nitrogen— experiences the greatest entropy change as its state is changed from 2000 kPa and 427°C to 200 kPa and 27°C?
2. Air is expanded from 2000 kPa and 500°C to 100 kPa and 50°C. Assuming constant specific heats, determine the change in the specific entropy of air.
3. What is the difference between the entropies of air at 15 psia and 908F and air at 40 psia and 210°F per unit mass basis.
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