Liquids

Question 1

Intra molecular forces = ________ change

Answer 1

Chemical change

Question 2

Inter molecular forces = _________ change

Answer 2

Physical
(inter physical relations)

Question 3

Intra __ Inter

Answer 3

Intra&raquo_space; Inter (Intra 22x more) (-ra and -re)

Question 4

Viscosity units

Answer 4

Poise (cgs)
Ns/m² (SI)
P/s

Question 5

Mixtures that make H bonds

Answer 5

• Ether + water
• Ether + alcohol
• Ether + ammonia
• Ether + 1º/2º amine
• 3º amine + water
• Aldehyde + water
• Aldehyde + alcohol
• Ketone + water
• Ketone + alcohol

Question 6

4º C water density

Answer 6

1g/mol

Question 7

Order of strength of London dispersion forces based on surface area

Answer 7

Straight chain > Branched chain > Spherical
Strongest Weakest

Question 8

High Boiling point when

Answer 8

Light mass and high polarizability

Question 9

Evaporation is exo or endo

Answer 9

Endothermic and spontaneous

Question 10

Rate of evaporation depends on

Answer 10

Proportional to: Temp / Surface Are

Inversely proportional to: IMF / Cn / (OH)n / density

Question 11

Vapor pressure depends om

Answer 11

Proportional to : Temp
Inversely proportional to : IMF / Cn / (OH)n / Halogen / Density / Conc / Boiling point

Question 12

Boiling point depends on

Answer 12

Proportional to: IMF / Cn / (OH)n / Halogen / External pressure
Inversely proportional to: Branches / Vapor pressure

Question 13

At lower pressures food cooks ________ (why)

Answer 13

Slower (bc boiling points is lower)

Question 14

∆Hf and ∆Hvap depends on

Answer 14

Proportional to: IMF / Cn / (OH)n / Halogens / Branches