Kinetic Energy and Molecular Speeds

By what factor does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled ?

If a gas expands at constant temperature, it indicated that:

Which of the following expressions correctly represents the relationship between the average molar kinetic energy  $\overline{KE}ofCOand{N}_2$ molecules at the same temperature ?

The root mean square speeds at STP for the gases  $H_2,N_2,O_{2}andHBr$ are in the order:

Give one word for the following. Measure of kinetic energy possessed by the gas molecules.

At any particular time different particles in the gas have  __I___ speed and hence _II__ kinetic energies.Here, I and II refer to

In kinetic molecular theory, it is assumed that the average kinetic energy of the gas molecules is directly proportional to the $\mathrm{A}$. Here, $\mathrm{A}$ refers to:

The different molecules possess different velocities and hence different _____.

The ratio of most probable velocity to the average velocity is

By what factor does the average velocity of a gaseous molecule increase when the absolute temperature is doubled ?

Which one of the following statement is NOT true about the effect of an increase in temperature on the distribution of molecular speeds in a gas?

As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor of which of the following ?

Which of the following statement is incorrect for the given graph?

A thin glass tube closed at one end and open at the other contains a column of dry air which is trapped by a column of mercury as shown in the figure.

Which one of the following diagrams shows the variation of the length $l$ of the air column with the angle $\theta °$ of the tube to the vertical?

Two flasks $A$ and $B$ have equal volume. $A$ is maintained at $300 K$ and $B$ at $600 K$ .While $A$ contains $H_2$ gas, $B$ has an equal mass of $C{H}_4$ gas. Assuming ideal behaviours for both the gases, answer the following:

Flask in which the total kinetic energy is greater

 Which of the following has the maximum value of mean free path ?

The diagram shows the Maxwell's speed distribution curves for a certain ideal gas at two different temperature T₁ and T₂. After calculating T₂, determine the rms speed of gas at 400 K.

The root mean square velocity of one mole of a monoatomic gas having molar mass M is Urms. The relation between the average kinetic energy (E) of the gas and Urms is

As the temperature is raised from $2{\mathrm{0 }}^{\mathrm{o}}\mathrm{C}$ to $4{\mathrm{0 }}^{\mathrm{o}}\mathrm{C}$ , the average kinetic energy of neon atoms changes by a factor of which of the following?

The root-mean-square velocity at $\mathrm{STP}$ for the gases ${\mathrm{H}}_2, {\mathrm{O}}_2$, ${\mathrm{N}}_2$ and $\mathrm{HBr}$ are in the order