Lecture 26: Phase Diagrams

Question 1

what state of matter has significant changes to volume with temperature changes

Answer 1

gas

Question 2

what state of matter has significant changes to volume with pressure changes

Answer 2

gas

Question 3

what state of matter has weakest intermolecular forces

Answer 3

gas

Question 4

what state of matter displays a surface tension

Answer 4

liquid

Question 5

what state of matter has a dense system of molecules exchanging nearest neighbors

Answer 5

liquid

Question 6

what state of matter has strongest intermolecular forces

Answer 6

solid

Question 7

what state of matter has least amount of translational motion

Answer 7

Solid

Question 8

where the phases are equally present

Answer 8

dynamic equilibrium

Question 9

KE and IM forces relationship in vaporization

Answer 9

KE>IM forces

Question 10

KE and IM forces relationship in condensation

Answer 10

KE<IM forces

Question 11

what is volatility

Answer 11

the tendency of a gas to vaporize

Question 12

when IM are weak, what is high

Answer 12

-volatility
-gas molecules
-vapor pressure

Question 13

vapor pressure

Answer 13

pressure exerted by the vapor over the liquid in a closed container when in dynamic equilibrium

Question 14

vapor pressure is high when IM forces are

Answer 14

weak

Question 15

when will water boil (regarding pressure)

Answer 15

when vapor pressure = external pressure

Question 15

what is normal atmospheric pressure

Answer 15

1 atm

Question 15

triple point

Answer 15

all 3 phases coexist at this T/P

Question 16

molecules are keeping same neighbors

Answer 16

solid

Question 17

neighbors are rearranging but still interacting

Answer 17

liquid

Question 18

molecules are escaping bonds

Answer 18

gas