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Consider a mixture of n moles of helium ...

Consider a mixture of n moles of helium gas and 2n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its `C_(p)//C_(v)` value will be:

A

`(23)/(15)`

B

`(40)/(27)`

C

`(67)/(45)`

D

`(19)/(13)`

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