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An ideal monatomic gas expands in such a...

An ideal monatomic gas expands in such a way that `TV^((1)/(2))`=` constant, where T and V are the temperature & volume of the gas, choose the correct option(s)

A

The molar heat capacity is `C=C_(V)-2R`

B

The internal energy of gas decreases.

C

Temperature of gas decreases.

D

Pressure of gas increases.

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