Multiple Choice
Which of the following statements about diffusion is true?
7. Gases
Kinetic Molecular Theory
Back7. Gases
Kinetic Molecular Theory
- Multiple ChoiceAccording to the Kinetic Molecular Theory, will a higher rate of diffusion occur in cold or hot temperatures?
- Multiple ChoiceAccording to the Kinetic Molecular Theory, how can the speed of solvent molecules be slowed down?
- Multiple ChoiceWhich of the following statements is correct about diffusion?
- Multiple ChoiceIn what direction do particles naturally diffuse?
- Multiple ChoiceWhat is the primary factor that drives the process of diffusion?
- Multiple ChoiceWhat happens to the rate of diffusion as temperature increases?
- Multiple Choice
Which of the following statements would correctly explain the non-ideal behavior of a gas based on the Kinetic Molecular Theory (KMT)?
a) At high temperatures the attractive forces between molecules becomes negligible.
b) At high pressure the volume of gas molecules become significant.
c) An increase or decrease in the moles of gas causes the gas constant value to change. - Multiple Choice
Which of the following statements is/are true for gas molecules according to the Kinetic Molecular Theory?
I.Increasing the amount of gas molecules increases the pressure by increasing the force of the collisions.
II.Decreasing the temperature of a gas decreases the pressure by increasing the force of the collisions.
III.Decreasing the volume of a gas increases pressure by increasing the frequency of the collisions. - Multiple Choice
Based on the kinetic-molecular theory, which of the following is/are true?
I.At a given temperature, all gases have the same average kinetic energy.
II.At a given temperature, different gases have the same average velocities.
III.The average kinetic energy is proportional to the absolute temperature. - Multiple Choice
Which statement is TRUE about kinetic molecular theory?
a) A single particle does not move in a straight line.
b) The size of the particle is large compared to the volume.
c) The collisions of particles with one another is completely elastic.
d) The average kinetic energy of a particle is not proportional to the temperature. - Open Question
Which temperature represents the highest average kinetic energy?
- Open QuestionWhich of the gases has the fastest‑moving molecules, on average, at a given temperature?
- Multiple ChoiceThe urms of H2 molecules at 273 K is 1.84 × 10^3 m/s. At what temperature is the urms for H2 1.6 times greater than this value?
- Multiple ChoiceWhich postulate of the kinetic molecular theory breaks down under conditions of high pressure?