Question

For inert gases, $\frac{C_p}{C_v}=$ _____ .

• A. 1.33
• B. 1.4
• C. 1.66
• D. can't be predicted

Answer 1

The correct option is C 1.66

Inert gases are monoatomic so their $C_v=\frac{3}{2}$ and $C_p=52$ and

$\frac{C_p}{C_v}=\frac{5\times 2}{3\times 2}=\frac{5}{3}=1.66$