Module 1

Question 1

Lyall’s Litany

Answer 1

Products raised to stoichiometric powers divided by reactants raised to theirs
Pure solids and pure liquids do not appear

Question 2

Celsius -> to Kelvin

Answer 2

Add 273.14

Question 3

Q<K

Answer 3

No precipitate will form
Reaction shifts to right —>

Question 4

Q>K

Answer 4

Precipitation will occur
Reactant shifts to left <—

Question 5

Lewis acid

Answer 5

Electron pair acceptor

Question 6

Lewis base

Answer 6

Electron pair donor

Question 7

Acid

Answer 7

Proton donor

Question 8

Base

Answer 8

Proton acceptor

Question 9

Buffer solution

Answer 9

Solution of a weak acid and its conjugate base both at reasonable concentration will maintain a reasonably constant pH on addition of significant amounts of H3O+ or OH- ions
Unaffected by reasonable dilution

Question 10

Titrations: initial pH

Answer 10

HA>A-

Question 11

Titrations: Buffer region

Answer 11

A- = HA
pH = pKa

Question 12

Titrations: Alkaline region

Answer 12

A->HA

Question 13

Polar

Answer 13

Hydrophilic
Dissolves in water

Question 14

Non Polar

Answer 14

Hydrophobic
Dissolve in non-polar solvents

Question 15

pH < pKa

Answer 15

protonated

Question 16

pH > pKa

Answer 16

depronated