For a monoatomic gas, the value of the ratio of $C_{p, m}$ and $C_{V, m}$ is
For a monoatomic gas, the value of the ratio of $C_{p, m}$ and $C_{V, m}$ is
- $5 / 3$
- $7 / 5$
- $9 / 7$
- $9 / 11$
Solution
For a monoatomic gas, $\mathrm{C}_{\mathrm{V}, \mathrm{m}}=(3 / 2) \mathrm{R}$ and $\mathrm{C}_{\mathrm{p}, \mathrm{m}}=(5 / 2) \mathrm{R}$. Hence $\frac{C_{p, m}}{c_{V, m}}=\frac{5}{3}$
Asked in: JEE-TOPICTESTS-CHEMISTRY
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