Gas Laws and Solution Chemistry Quiz

Which of the following is a postulate of the kinetic molecular theory?

• Gas particles are in constant, random motion.

• Gas particles are attracted to each other.

• Gas particles have significant volume.

• Gas particles lose energy during collisions.

Tags

TX.112.43.C.10.A.

What is the SI unit for measuring pressure?

• Joule

• Pascal

• Kelvin

• Liter

Tags

TX.112.43.C.10.B.

Which of the following best describes an electrolyte?

• A solution that does not conduct electricity

• A solution that conducts electricity due to the presence of ions

• A solution that contains only nonpolar molecules

• A solution that is always supersaturated

Tags

TX.112.43.C.11.B.

According to Dalton's law of partial pressure, the total pressure of a mixture of gases is:

• The product of the individual gas pressures

• The sum of the partial pressures of each gas

• The difference between the highest and lowest gas pressures

• The average of the partial pressures

Tags

TX.112.43.C.10.C.

Which property of water makes it an excellent solvent for ionic compounds?

• Its high density

• Its polarity

• Its low boiling point

• Its colorless nature

Tags

TX.112.43.C.11.A.

A solution that contains more solute than it can theoretically hold at a given temperature is called:

• Unsaturated

• Saturated

• Supersaturated

• Dilute

Tags

TX.112.43.C.11.B.

Which of the following is NOT a postulate of the kinetic molecular theory?

• Gas particles are in constant motion.

• Gas particles have negligible volume compared to the container.

• Gas particles exert attractive forces on each other.

• Collisions between gas particles are elastic.

Tags

TX.112.43.C.10.A.

If the temperature of an ideal gas is increased while keeping the volume constant, what happens to the pressure?

• It decreases

• It increases

• It stays the same

• It becomes zero

Tags

TX.112.43.C.10.B.

A 2.0 L container holds oxygen at a partial pressure of 300 torr and nitrogen at a partial pressure of 500 torr. What is the total pressure in the container?

• 200 torr

• 300 torr

• 500 torr

• 800 torr

Tags

TX.112.43.C.10.C.

Which of the following best explains why water can dissolve many ionic compounds?

• Water molecules are nonpolar and surround ions.

• Water molecules are polar and attract both positive and negative ions.

• Water molecules are large and can trap ions.

• Water molecules are always in the solid state.

Tags

TX.112.43.C.11.A.