Consider a mixture of $n$ moles of helium gas and $2 n$ moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its $\frac{\mathrm{C}_{\mathrm{P}}}{\mathrm{C}_{\mathrm{V}}}$ value will be
  • A$\frac{67}{45}$
  • B$\frac{19}{13}$
  • C$\frac{23}{15}$
  • D$\frac{40}{27}$
JEE MAIN 2020, Medium
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    The mean free path of gas molecules depends on $(d =$ molecular diameter$)$
    View Solution
  • 2
    The relation $C_p-C_V=R\left(C_p\right.$ and $C_V$ are the molar specific heats at constant pressure and volume) is exactly true for
    View Solution
  • 3
    An electron tube was sealed off during manufacture at a pressure of $1.2 \times {10^{ - 7}}$ $mm$ of mercury at $27°C.$ Its volume is $100\, cm^3$. The number of molecules that remain in the tube is
    View Solution
  • 4
    The density of a gas at normal pressure and $27°C$ temperature is $24.$ Keeping the pressure constant, the density at $127°C$ will be
    View Solution
  • 5
    A volume $V$ and pressure $P$ diagram was obtained from state $1$ to state $2$ when a given mass of a gas is subjected to temperature changes. During this process the gas is
    View Solution
  • 6
    A flask contains Hydrogen and Argon in the ratio $2: 1$ by mass. The temperature of the mixture is $30^{\circ} C$. The ratio of average kinetic energy per molecule of the two gases ( $K$ argon/ $K$ hydrogen) is: (Given: Atomic Weight of $Ar = 39.9$)
    View Solution
  • 7
    The internal energy $(U),$ pressure $(P)$ and volume $( V )$ of an ideal gas are related as $U =$ $3 P V+4$. The gas is :-
    View Solution
  • 8
    A monoatomic gas of mass $4.0\, u$ is kept in an insulated container. Container is moving with velocity $30 \,m / s$. If container is suddenly stopped then change in temperature of the gas $\left( R =\right.$ gas constant) is $\frac{ x }{3 R } .$ Value of $x$ is ..........
    View Solution
  • 9
    At $10^o C$ the value of the density of a fixed mass of an ideal gas divided by it pressure is $x.$ At  $110^o C$ this ratio is
    View Solution
  • 10
    One mole of an ideal gas $\left( {\frac{{{C_P}}}{{{C_V}}}\, = \gamma } \right)$ heated by law $P=\alpha V$ where $P$ is pressure of gas, $V$ is volume, $\alpha$ is a constant what is the heat capacity of gas in the process-
    View Solution