Acids and bases

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

What is meant by a Bronsted-Lowry acid?

Back (Answer)

Proton donor

Front (Question)

What is meant by a Bronsted-Lowry base?

Back (Answer)

Proton acceptor

Front (Question)

What is meant by a strong acid?

Back (Answer)

Fully dissociates

Front (Question)

What is meant by a weak acid?

Back (Answer)

Partially dissociates

Front (Question)

Definition of PH

Back (Answer)

pH = -log10[H+]

Front (Question)

Definition of [H+]

Back (Answer)

[H+] = 10-pH

Front (Question)

Definition of the ionic product of water (Kw)

Back (Answer)

Kw = [H+][OH-]

Front (Question)

What equation should be used when calculating the pH of a strong acid?

Back (Answer)

pH = -log10[H+]

Front (Question)

What equation should be used when calculating the pH of a weak acid?

Back (Answer)

Ka = [H+]2 / [HA] Rearrange to get [H+]

#10

Front (Question)

What equation should be used when calculating the pH of a buffer?

Back (Answer)

Ka = [H+][A-] / [HA] Rearrange to get [H+]

#11

Front (Question)

metal + acid ……

Back (Answer)

salt + hydrogen e.g. HCl (aq) + Na (s) —> NaCl (aq) + 1/2 H2 (g) hydrochloric acid + sodium —> sodium chloride + hydrogen

#12

Front (Question)

metal oxide + acid ……

Back (Answer)

salt + water e.g. 2HNO3 (aq) + K2O (aq) —> 2KNO3 (aq) + H2O (l) nitric acid + potassium oxide —> potassium nitrate + water

#13

Front (Question)

acid + metal hydroxide …..

Back (Answer)

salt + water e.g. H3PO4 (aq) + 3NaOH (aq) —> Na3PO4 (aq) + 3H2O (l) phosphoric acid + sodium hydroxide —> sodium phosphate + water

#14

Front (Question)

acid + metal carbonate …..

Back (Answer)

salt + water + carbon dioxide e.g. H2SO4 (aq) + Na2CO3 (s) —> Na2SO4 (aq) + CO2 (g) + H2O (l) sulfuric acud + sodium carbonate —> sodium sulfate + carbon dioxyde + water

#15

Front (Question)

ammonia + acid ….

Back (Answer)

salt e.g. NH3 (aq) + HCl (aq) —> NH4Cl (aq) ammonia + hydrochloric acid —> ammonium chloride e.g. NH3 (aq) + H3PO4 (aq) —> (NH4)3 PO4 (aq)

#16

Front (Question)

What is a monoprotic acid?

Back (Answer)

only one H+ ion released e.g. HCl

#17

Front (Question)

What is a diuretic acid?

Back (Answer)

two H+ ions released e.g. H2SO4

#18

Front (Question)

What does smaller pH mean in terms of [H+]

Back (Answer)

Higher concentration of [H+]

#19

Front (Question)

What are the 4 main examples of strong acids?

Back (Answer)

• HCl • H2SO4 • HNO3 • H3PO4

#20

Front (Question)

Where does the position of equilibrium for strong acids usually lie?

Back (Answer)

entirely to right side

#21

Front (Question)

Where does the position of equilibrium for weak acids usually lie?

Back (Answer)

More to the left side

#22

Front (Question)

How to find pKa from Ka?

Back (Answer)

pKa = -log10Ka

#23

Front (Question)

How to find Ka from pKa?

Back (Answer)

Ka = 10-pKa

#24

Front (Question)

What is the Kw value for water?

Back (Answer)

1 x 10-14 mol2dm-6