Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged kinetic-molecular-theory-of-gases

what would be the ratio of mean square velocity of hydrogen gas at 50K and that of oxygen gas at 800K?

asked Sep 18, 2014 by anonymous

1 answer

Helium and Argon are monoatomic gases and their atomic weights are 4 and 40 respectively . Under identical conditions, helium will diffuse through a semipermeable membrane

asked Apr 8, 2014 by sharmaaparna1

1 answer

The time taken for a certain volume of a gas X to diffuse through a small hole is 2 minutes . It takes 5.65 minutes for oxygen to diffuse under the similiar conditions . The molecular weight of X is

asked Apr 8, 2014 by sharmaaparna1

1 answer

If same moles of $O_2$ diffuse in 18 sec and same mole of other gas diffuse in 45 sec then what is the molecular weight of the unknown gas?

asked Apr 8, 2014 by sharmaaparna1

1 answer

The root mean square of a gas at 300K is $3\sqrt{R}$. The molar mass of this gas in $Kg mol^{-1}$ is

asked Apr 7, 2014 by sharmaaparna1

1 answer

The $U_{rms}$ of $SO_2 \;at\;27^{\large\circ}C$

asked Apr 7, 2014 by sharmaaparna1

1 answer

The average kinetic energy of 1.6 g $CH_4$ molecules at $27^{\large\circ}C$ is:

asked Apr 7, 2014 by sharmaaparna1

1 answer

The kinetic molecular theory attributes an average translational kinetic energy of $\large\frac{3}{2}\large\frac{RT}{N}$ to each particle. What rms speed woul a mist particle of mass $10^{-12}g$ have a root temperature $(27^{\large\circ}C)$ according to kinetic theory of gases.

asked Apr 7, 2014 by sharmaaparna1

1 answer

The composition of the equilibrium mixture $(Cl_2\iff2Cl)$ which is attained at $1200^{\large\circ}C$ is determined by measuring the rate of effusion through a pinhole . It is observed that at 1.80 mm Hg pressure , the mixture effuses 1.16 times as fast as krypton effuses under the same conditions. Calculate the fraction of chlorine molecules dissociated anto atoms.(Atomic wt of Kr = 84)

asked Apr 5, 2014 by sharmaaparna1

1 answer

The average speed at $T_1K$ and the most probable speed at $T_2K of $CO_2$ gas is $9\times10^4cm/s. Calculate the value of $T_1 and T_2$

asked Apr 5, 2014 by sharmaaparna1

1 answer

Equal weights of $CH_4$ and $O_2$ are mixed in an empty container of one litre at $27^{\large\circ}C$. Calculate the fraction of total pressure exerted by $O_2$.

asked Apr 3, 2014 by sharmaaparna1

1 answer

The mean kinetic energy of a molecule at $0^{\large\circ}C$ is $5.62\times10^{-14} erg$ . Calculate Boltzmann's Constant . If the value of $R = 8.314\times10^7 erg$ . and also calculate the no. of molecules present in one mole of gas.

asked Apr 2, 2014 by sharmaaparna1

1 answer

The pressure of the atmosphere is $2\times10^{-6}$ at about 100 mile above the earth and temperature is $-180^{\large\circ}C$ .How many mole are there in 1 mL gas at this altitude?

asked Mar 29, 2014 by sharmaaparna1

1 answer

A 20g chunk of dry ice is placed in an empty 0.75 litre wine bottle tightly closed . What would be the final pressure in the bottle after all $CO_2$ has been evaporated and temperature reaches to $25^{\large\circ}C$

asked Mar 29, 2014 by sharmaaparna1

1 answer

A gas at $0^{\large\circ}C$ and 1 atm pressure occupies 2.5 litre . What change in temperature would be necessary if the pressure is to be adjusted to 1.5 atm and the gas has been transferred to a 2.0 litre container?

asked Mar 29, 2014 by sharmaaparna1

1 answer

Atomic and molecular sizes are of the order of a few Angstrom (1 $\overset{\circ}{A} = 10^{-10}m)$ . Assuming that $N_2$ molecules is spherical in shape with radius $2\times10^{-10}m$ . Calculate the volume of single $N_2$ molecule.

asked Mar 28, 2014 by sharmaaparna1

1 answer

If $U_{rms} is\; 30 R^{\large\frac{1}{2}}\; at \;27^{\large\circ}$ then the molar mass of the gas in kg is

asked Mar 3, 2014 by sharmaaparna1

1 answer

If the absolute temperature of a sample in a fixed volume container is quadrupled then the root mean square speed in the initial state $u_i$ and that in the final stage $u_f$ would be related as:

asked Mar 2, 2014 by sharmaaparna1

1 answer

The rms velocity can be calculated by

asked Mar 2, 2014 by sharmaaparna1

1 answer

Four particles have speed 2,3,4 and 5 cm/sec respectively. Their RMS speed is

asked Mar 2, 2014 by sharmaaparna1

1 answer

Average velocity of the molecules of a gas in a container moving in one dimension is

asked Mar 2, 2014 by sharmaaparna1

1 answer

If P is the pressure of gas, then the kinetic energy per unit volume of the gas is

asked Mar 2, 2014 by sharmaaparna1

1 answer

The average speed of an ideal gas molecule at $27^{\large\circ}C$ is 0.3 m/s. Calculate the average speed at $927^{\large\circ}C$

asked Feb 21, 2014 by sharmaaparna1

1 answer

At same temperature two bulbs A and B of equal capacity are filled with He and $SO_2$ respectively. If the pressure in two bulbs is same. Calculate the ratio of rms speed for them.

asked Feb 16, 2014 by sharmaaparna1

1 answer

At 400K the root mean square (rms) speed of a gas x (mol weight = 40) is equal to the most probable speed of gas Y at 60K. Find the molecular weight of gas Y

asked Feb 16, 2014 by sharmaaparna1

1 answer

The root mean square speed of one mole of a monoatomic gas having molecular mass M is $U_{rms}$. The relation between the average kinetic energy (E) of the gas and $U_{rms}$ is:

asked Feb 14, 2014 by sharmaaparna1

1 answer

As the temperature is raised from $20^{\large\circ}C \;to \;40^{\large\circ}C$ , the average kinetic energy of neon atoms changes by a factor.

asked Feb 12, 2014 by sharmaaparna1

1 answer

According to kinetic theory of gases in an ideal gas between two successive collisions a gas molecule travels:

asked Feb 12, 2014 by sharmaaparna1

1 answer

Kinetic theory of gases proves

asked Feb 12, 2014 by sharmaaparna1

1 answer

To see more, click for the full list of questions or popular tags.

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...