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Equal masses of methane and oxygen are mixed in an empty container at 25°C, the fraction of total pressure exerted by oxygen is
3-Jan
9-Jan
9-Aug
16/17
The molecules of a gas show more deviation from ideal behaviour at low temperature, because
Attractive force dominate at low temperature
Kinetic energies are increased
Densities of the gases increase
Collisions become less frequent
How should the condition be changed to prevent the volume of a given gas from expanding when its mass is increased
Temperature is lowered and pressure is increased
Temperature and pressure both are lowered
Temperature and pressure both are increased
Temperature is increase and pressure is lowered
The highest temperature above which a gas cannot be liquified, no matter how much the pressure is applied is known as
Consulate temperature
Absolute zero
Boiling temperature
Critical temperature
Gas equation is derived by combining
Avogadro’s, Boyle’s and Charles’s Law
Boyle’s and Charles’s Law
Avogadro’s and Charles’s Law
Avogadro’s and Boyle’s Law
The free expansion of the gas from high pressure towards the low pressure causes
Decrease of velocity of gas molecules
Increase of temperature
Decrease of temperature
Grater number of collisions among the molecules
Noon has low critical temperature and pressure as compared to other gases. the most probable reason is that
Its octet is complete
It has least forces of attraction
It is a monoatomic gas
It has very low polarizability
Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideal behaviour of gases
At high pressure, the intermolecular attraction becomes significant
At high pressure, the volume of the gas becomes insignificant
At high pressure, the gas molecules move in one direction only
At high pressure, the collisions between the gas molecules are increased
The molar volume of CO2is maximum at
0°C and 2 atm
STP (0°C and 1 atm)
127° C and 1 atm
273°C and 2 atm
Rate of diffusion of CO and N2are same at room temperature due to the reason, that
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