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Two moles of an ideal monatomic gas occu...

Two moles of an ideal monatomic gas occupies a volume V at 27 °C. The gas expands adiabatically to a volume 2V. Calculate (i) the final temperature of the gas and (ii) change in its internal energy.

A

(i) 189 K (ii)-2.7 kJ

B

(i) 195 K (ii) 2. 7 kJ

C

(i) 189 K (ii) 2. 7 kJ

D

(i) 195 K (ii)-2.7 kJ

Text Solution

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The correct Answer is:
A
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