Effect on temperature of an ideal gas undergoing Joule-Kelvin expansion - Thermodynamics

Q.  What is the effect on temperature of an ideal gas, when it undergoes a Joule-Kelvin expansion?
- Published on 19 Aug 15

a. temperature increases
b. temperature decreases
c. first temperature increases and then decreases isenthalpically
d. no change in temperature

ANSWER: no change in temperature

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