Chemical Engineering - Chemical Engineering Thermodynamics - Discussion

Discussion Forum : Chemical Engineering Thermodynamics - Section 10 (Q.No. 36)
36.
1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be
35 K
174 K
274 K
154 K
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Vineet sharma said:   3 years ago
Yes, 174 K is right answer.
&gama; = 1.6554.
T1/T2 = (V1/V2)^1.6554-1.
T2 = T1/2.87 = 500/2.87 = 174K.

Vivek said:   7 years ago
I think the correct answer is 174.

Use PV k power gamma = c.
Cp-cv=R find gamma cp by cv.

Roop said:   7 years ago
Please solve this.

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