Definitions

Question 1

Equilibrium Law

Answer 1

Question 2

Bronsted-Lowrey Acid

Answer 2

A proton donor

Question 3

Bronsted-Lowrey Base

Answer 3

A proton acceptor

Question 4

Alkali (substance)

Answer 4

Substance that relieases OH- ions in water (soluble base)

Question 5

Conjugate acid

Answer 5

A species formed when a proton is accepted to a base

Question 6

Conjugate base

Answer 6

A species formed when a proton is added to an acid

Question 7

Strong acid

Answer 7

An acid that completely dissociates in solution

Question 8

Weak acid

Answer 8

An acid that partially dissociates in solution

Question 9

pH

Answer 9

Question 10

Ionic product of water, K_w

Answer 10

Question 11

Acid dissociation constant, K_a

Answer 11

Question 12

Buffer solution

Answer 12

A mixture that minimises pH changes on addition of acids and bases

Question 13

Equivalence point

Answer 13

The point in a titration when the volume of the first and second solution has reacted exactly

Question 14

End point

Answer 14

The point in a titration when there are equal concentrations of the weak acid and conjugate base

Question 15

Standard enthalpy change of neutralisation

Answer 15

The enthalpy change when solutions of an acid and an alkali react together under standard conditions to produce 1 mol of water