4. Three pounds of a perfect gas with R = 38 ft.lb/lb.R and k 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial tempera- ture 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 %3D %3D Btu/ R
4. Three pounds of a perfect gas with R = 38 ft.lb/lb.R and k 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial tempera- ture 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 %3D %3D Btu/ R
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Topic: Ideal gas process
Instructions: Answer the following review questions and show complete solutions.
*please write legibly. Thank you
Transcribed Image Text:4. Three pounds of a perfect gas with R = 38 ft.lb/b.R and
k
%3D
1.667 have 300 Btu of heat added during a reversible
nonflow constant pressure change of state. The initial tempera-
ture is 100°F. Determine the (a) final temperature, (b) AH, (c)
W, (d) AU, and (e) AS.
%3D
Ans. (a) 919°F; (c) 120 Btu; (d) 180 Btu; (e) 0.3301
Btu/ R
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