GENERAL CHEMISTRY 1 LONG QUIZ 2

What does the kinetic molecular theory mainly explain?

• How atoms bond in solids

• The motion and behavior of gas particles

• The attraction between liquids

• The composition of elements

According to the kinetic molecular theory, gas particles move in:

• Circular paths until stopped

• Straight lines until they collide

• Random circles around the nucleus

• Zigzag paths only in one direction

Which of the following instruments measures atmospheric pressure?

• Thermometer

• Hygrometer

• Barometer

• Manometer

The SI unit for pressure is:

• mmHg

• Torr

• kPa

• cm³

According to Dalton’s Law of Partial Pressures, the total pressure of a gas mixture is equal to:

• The average of all pressures

• The product of the partial pressures

• The difference between highest and lowest pressure

• The sum of the partial pressures

Graham’s Law of Diffusion states that:

• Gases with higher molar masses diffuse faster

• Gases with lower molar masses diffuse faster

• All gases diffuse at the same rate

• Diffusion depends only on temperature

What is the molar volume of an ideal gas at STP?

• 1.0 L

• 11.2 L

• 22.4 L

• 44.8 L

Which of the following correctly represents the ideal gas law?

• P = nRT/V

• PV = nRT

• V = RT/P

• PT = nRV

The Pauli Exclusion Principle states that:

• Electrons fill orbitals singly first

• No two electrons can have the same set of quantum numbers

• Electrons occupy the lowest energy level first

• Every orbital can hold only one electron

Hund’s Rule states that:

• Orbitals are filled starting with the lowest energy

• Every orbital is doubly occupied before any are singly occupied

• Every orbital in a sublevel is singly occupied before any are doubly occupied

• Two electrons cannot have opposite spins