> Q. Three moles of oxygen is mixed with two moles of helium. What will be the ratio of specific heats at constant pressure and constant volume for this mixture ? – LIVE ANSWER TODAY

Q. Three moles of oxygen is mixed with two moles of helium. What will be the ratio of specific heats at constant pressure and constant volume for this mixture ?

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Three moles of oxygen is mixed with two moles of helium. What will be the ratio of specific heats at constant pressure and constant volume for this mixture ?

Solution:

Here oxygen is diatomic with $C_v = (5/2) $R and helium is monoatomic with $C_v= (3/2) R.$

Hence $3 times (5/2)R + 2 times (3 /2)R = (3 + 2) C_v$or

$C_v$ for the mixture = 2.1.

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