WorksheetsKinetic theory of gases
Total questions: 12
Worksheet time: 8mins
The pressure of an ideal gas in a vessel is p. The gas is heated at constant volume until the r.m.s. speed of the gas molecules is doubled. what is the new pressure of the gas?
√2p
2p
3p
4p
Which of the following is not an assumption of the kinetic theory of gases?
Gas molecules move with the same speed, known as the r.m.s. speed
Gas molecules are in constant free random motion
Collisions between gas molecules are perfectly elastic
The size of a gas molecule is negligible compared to the distance between gas molecules
Which of the following statements DOES NOT represent the ideal gas law ?
Pressure is directly proportional to the absolute temperature.
Pressure is inversely proportional to volume
Volume is directly proportional to the absolute temperature.
Volume is directly proportional to pressure.
The following statements are assumptions of the kinetic theory of gases EXCEPT
All gases are made up of identical atoms or molecules.
The intermolecular forces are negligible except during collisions.
The molecules undergoes inelastic collisions with one another.
The volume of the atoms or molecules is negligible when compared to the volume occupied by the gas.
Root mean squared (r.m.s) speed of a gas molecules is directly proportional to _____________ and inversely proportional to ______________.
molar mass ; temperature
temperature ; molar mass
temperature ; pressure
pressure ; temperature
One mole of any gas at Standard Temperature and Pressure (STP) occupies volume of
22.4km3
22.4cm3
22.4mm3
22.4dm3
The internal energy of an ideal gas depends on
absolute temperature
pressure
volume
degree of freedom
The degree of freedom for a diatomic molecule is
2
3
5
6
For a gas, which pair of variables are inversely proportional to each other (if all other conditions remain constant)?
P, T
P, V
V, T
n, P
