4. Three pounds of a perfect gas with R = 38 ft.lby/lb.R and k = 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial temperature is 100°F. Determine the (a) final temperature, (b) AH, (c) W, (d) AU, and (e) AS. Ans. (a) 919°F; (c) 120 Btu; (d) 180 Btu; (e) 0.3301 Btu/ºR

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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p88#4. three pounds of a perfect gas with R=38ft/lbf/lbm.R and k=1.667 have 300Btu of heat added during a reversible nonflow constant pressure change of state. the initial temperature is 100degree farenheit. determine the (a)final temperature, (b) enthalphy,(c)W, (d) internal energy and (e)entropy.

771
4. Three pounds of a perfect gas with R = 38 ft.lbf/lb.R and k = 1.667 have 300 Btu
of heat added during a reversible nonflow constant pressure change of state. The initial
temperature is 100°F. Determine the (a) final temperature, (b) AH, (c) W, (d) AU, and (e)
AS.
Ans. (a) 919°F; (c) 120 Btu; (d) 180 Btu; (e) 0.3301 Btu/ºR
Transcribed Image Text:771 4. Three pounds of a perfect gas with R = 38 ft.lbf/lb.R and k = 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial temperature is 100°F. Determine the (a) final temperature, (b) AH, (c) W, (d) AU, and (e) AS. Ans. (a) 919°F; (c) 120 Btu; (d) 180 Btu; (e) 0.3301 Btu/ºR
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