Kinetic Theory of Gases

Q.

State the law of equipartition of energy.

Q. The kinetic energy of a gas ______ with an increase in temperature.

1. decreases
2. remains constant
3. increases
4. increases and then decreases

Q.

Give the assumptions of the kinetic molecular theory.

Q.

Which of the following is valid at absolute zero

1. Kinetic energy of the gas becomes zero and molecular motion also becomes zero
2. Kinetic energy of the gas becomes zero but the molecular motion does not become zero
3. Kinetic energy of the gas decreases but does not become zero
4. Kinetic energy of the gas is maximum

Q.

According to the kinetic-molecular theory of gases, due to large distance of separation, forces of attraction or repulsion between them becomes negligible.

1. True

2. False

Q.

How is molecular motion related with temperatue?

Q.

The kinetic energy of any gas is:

1. Inversely proportional to the square root of temperature

2. Inversely proportional to absolute temperature

3. Directly proportional to absolute temperature

4. Directly proportional to square root of temperature

Q. Why solid particles have negligible space between them?

Q.

Which of the assumptions of the kinetic-molecular theory best explains the observations that a gas can be compressed?

1. Gas molecules move at random motion with no attractive forces between them

2. The velocity of gas molecules is proportional to their Kelvin temperature

3. The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules

4. In collisions with the walls on the walls of the container or with other molecules, energy is conserved

Q.

A solution of ethanol, C₂H₅OH, is prepared by dissolving 25.0 mL of ethanol in enough water to give a total volume of 250.0 mL. What is the volume percent of ethanol?

1. 1.00 %

2. 225 %

3. 10.0 %

4. 9.09 %

Q.

Define the kinetic theory of gases And list Its postulates.

Q.

What are kinetic theory of gasses postulates?

Q.

Which is not correct in terms of the kinetic theory of gases?

1. The space volume to molecules ratio is negligible

2. All the gas molecules are persistently moving in random directions

3. The collision between the gas molecules is considered elastic

4. The gas molecules obey Newtons Laws of motion

Q.

State the postulates of Kinetic Molecular Theory.

Q. Greater the spaces between the particles, stronger would be the attraction between them.

1. False
2. True

Q. Greater the spaces between the particles, stronger would be the attraction between them.

1. True
2. False

Q.

how is molecular motion related with temperature?

Q. How does kinetic molecular theory explain the Charles' law ?