Lect 23/30

Question 1

What is the term for widely spaced particles that gasses consist of?

Answer 1

points

Question 2

According to the molecular theory of gasses, how do gas particles move?

Answer 2

constant, random, straight motion

Question 3

Describe collisions between gas particles

Answer 3

perfectly elastic collisions with each other and walls of container

Question 4

Do gas particles experience attraction or repulsion?

Answer 4

no, neither

Question 5

Relationship between temperature and kinetic energy

Answer 5

directly proportional to each other

Question 6

What temperature measurement go gasses require?

Answer 6

K, Kelvin

Question 7

Why do gasses require Kelvin temps?

Answer 7

because they provide an actual value of 0 for absolute 0

Question 8

What is absolute 0 in C

Answer 8

-273.15 C

Question 9

What happens at absolute zero?

Answer 9

all molecular motion stops

Question 10

What is atmospheric pressure at absolute zero?

Answer 10

P = 0

Question 11

is earth’s atmosphere a solution?

Answer 11

yes

Question 12

What is the solvent in Earth’s atmosphere?

Answer 12

Nitrogen

Question 13

C =

Answer 13

C= amount solute/amount solution

Question 14

What is effusion?

Answer 14

molecules escape through tiny apertures

Question 15

What is diffusion?

Answer 15

dispersal through a container

Question 16

What is thermochemistry?

Answer 16

heat flow that occurs through chemical and physical change

Question 17

energy intensive or extensive?

Answer 17

extensive

Question 18

Is temperature intensive or extensive?

Answer 18

intensive