Unit 6 Kinetic Molecular Theory and the Ideal Gas Law

Question 1

According to the kinetic molecular theory, which of the following statements is FALSE?

Accepted Answer

Only the particles of a liquid or gas are in motion, not solids

Question 2

Which of the following gas variables describes the NUMBER of PARTICLES of a gas that are present in a sample?

Accepted Answer

number of moles (n)

Question 3

Which of these will cause a DECREASE in the PRESSURE of a gaseous system?

Accepted Answer

The container is made larger.

Question 4

The UNIT of which variable should be used to chose R (the ideal gas constant) to solve PV = nRT?

Accepted Answer

pressure

Question 5

Convert 20oC to Kelvin using the formula K = oC + 273

Accepted Answer

293 K

Question 6

According to the kinetic theory, which of the following statements is FALSE?

Accepted Answer

There are attractive and repulsive forces between gas particles

Question 7

Which of the following instruments could be used to measure the VOLUME of a gas?

Accepted Answer

graduated cylinder

Question 8

Which of the following gas variables describes the AVERAGE KINETIC ENERGY or MOTION of particles?

Accepted Answer

temperature (T)

Question 9

Which of the following gas variables describes the SPACE OCCUPIED by a sample of gas?

Accepted Answer

volume (V)

Question 10

Which of the following instruments is used to measure atmospheric (gas) PRESSURE?

Accepted Answer

barometer

Question 11

Which of the following gas variables describes FORCE due to COLLISIONS of particles with the walls of the container?

Accepted Answer

pressure (P)

Question 12

Which of the following instruments is used to measure the TEMPERATURE of a gas?

Accepted Answer

thermometer

Questions 12