Unit 8 Exam

Question 1

The state of matter that has an indefinite shape, indefinite volumes and high compressibility is _______.

Answer 1

Gas

Question 2

_______ collisions describe the process by which particle collide and transfer energy without loss of energy.

Answer 2

Elastic

Question 3

A sealed vessel, contains nitrogen dioxide and carbon dioxide gases has a total pressure of 2558 psi. What is the partial pressure of nitrogen dioxide (in psi) if the partial pressure of carbon dioxide is 795 psi?

Answer 3

1,763

Question 4

A sealed vessel, containing argon, oxygen, and nitrogen has a total pressure of 1514 psi and partial pressures of 325 psi for oxygen and 649 psi for nitrogen. What is the partial pressure of argon in psi?

Answer 4

540

Question 5

The boiling point of CH3CH2CH2NH2 would be _______ the boiling point of CH3NH2.

Answer 5

Higher than

Question 6

The boiling point of CH3OCH3 would be ______ the boiling point of CH3CH2OH.

Answer 6

Lower than

Question 7

_______ is a measure of the resistance of a liquid to flow.

Answer 7

Viscosity

Question 8

________ describes the unbalanced attractive force toward the interior of the liquid that molecules experience at the air-liquid interface.

Answer 8

Surface tension?

Question 9

_______ describes the process by which a solid goes directly to the gas phase.

Answer 9

Sublimation

Question 10

_______ describes the 3 dimensional highly repeating particles within a solid.

Answer 10

Crystal lattice