Class 11PhysicsKinetic Theory of GasesMolar Specific Heat of gas and relation between them (Mayer's formula)
EasyThe specific heat of helium at constant volume is $12.6 \ J \ mol^{-1} \ K^{-1}$. The specific heat of helium at constant pressure in $J \ mol^{-1} \ K^{-1}$ is about (Assume the temperature of the gas is moderate,universal gas constant,$R=8.314 \ J \ mol^{-1} \ K^{-1}$)
- A$12.6$
- B$16.8$
- C$18.9$
- D$21$
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Similar Questions
Match the $\frac{C_{P}}{C_{v}}$ ratio for ideal gases with different types of molecules:
Molecule type $\frac{C_{P}}{C_{v}}$ $A$. Monoatomic $I$. $\frac{7}{5}$ $B$. Diatomic rigid molecules $II$. $\frac{9}{7}$ $C$. Diatomic non-rigid molecules $III$. $\frac{4}{3}$ $D$. Triatomic rigid molecules $IV$. $\frac{5}{3}$
| Molecule type | $\frac{C_{P}}{C_{v}}$ |
|---|---|
| $A$. Monoatomic | $I$. $\frac{7}{5}$ |
| $B$. Diatomic rigid molecules | $II$. $\frac{9}{7}$ |
| $C$. Diatomic non-rigid molecules | $III$. $\frac{4}{3}$ |
| $D$. Triatomic rigid molecules | $IV$. $\frac{5}{3}$ |
The value of $C_V$ for one mole of neon gas is
Easy
View SolutionWhich one of the following is $NOT$ a correct expression for an ideal gas?
[$C_{P}=$ Molar specific heat of a gas at constant pressure,
$C_{V}=$ Molar specific heat of a gas at constant volume,
$\gamma=$ Ratio of two specific heats of a gas,$R=$ Universal gas constant]
[$C_{P}=$ Molar specific heat of a gas at constant pressure,
$C_{V}=$ Molar specific heat of a gas at constant volume,
$\gamma=$ Ratio of two specific heats of a gas,$R=$ Universal gas constant]
Derive the ratio of $\frac{C_{P}}{C_{V}}$ for a diatomic gas.
Medium
View SolutionIf the degree of freedom of a gas is $f,$ then the ratio of two specific heats ${C_P}/{C_V}$ is given by
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