1.
At27°C, the ratio of root mean square speeds of ozone to oxygen is :
2.
consider an ideal gas contained in a vessel. If the intermolecular interactions suddenly begins to act, which of the following will happen?
3.
At constant volume, for a fixed number of mole of a gas, the pressure of the gas increases with rise of temperature due to :
4.
Read the question given below
5.
A gas behaves most like an ideal gas under conditions of:
6.
Read the question given below
7.
The compressibility of a gas is less than unity at STP. Therefore:
8.
Read the question given below
9.
Read the question given below
10.
An ideal gas expands according to PV = constant. On expansion, the temperature of gas:
11.
The density of neon will be highest at:
12.
Read the question given below
13.
Assume that air is 21% oxygen and 79% nitrogen by volume. If the barometric pressure is 740 mm, the partial pressure of oxygen is closest to which one of the following
14.
A gas is heated from 0°C to 100° at 1.0 atm pressure. If the initial volume of the gas is 10 liter, its final volume would be:
15.
A perfect gas of a given mass is heated first in a small vessel and then in a large vessel, such that their volume remains unchanged. The P-T curves are:
16.
4.0 g argon has pressure P and temperature T K in a vessel. On keeping the vessel at 50^∘higher temperature,0.8 g of argon was given out to maintain the pressure P. The original temperature was:
17.
The rate of diffusion of methane at a given temperature is twice that of a gas X. The molecular weight of X is:
18.
The root mean square speed of the molecules of diatomic gas is u. When the temperature is doubled, the molecules dissociates into two atoms . The new rms speed of the atom is:
19.
Which contaions the same number of molecules as 16 g of oxygen
20.
The compressibility factor of a gas is defined as Z=PV∕nRT. The compressibility factor of an ideal gas is :
