Module 2 Chapter 4 (part 1)

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

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Front (Question)

What do all acids contain in there formula

Back (Answer)

They all contain hydrogen in their formulae

Front (Question)

What happens when acids are dissolved in water

Back (Answer)

They release H+ ions into the water

Front (Question)

What is the Bronstead Lowry definition of an acid

Back (Answer)

They are proton donors

Front (Question)

What is the formula of ethanoic acid

Back (Answer)

CH3COOH

Front (Question)

What is a strong acid

Back (Answer)

A strong acid completely disassociates when dissolved in water. All molecules release H+ ions

Front (Question)

What is a weak acid

Back (Answer)

A weak acid partially dissociates when dissolved in water. Only a small proportion of the molecules release H+ ions.

Front (Question)

What happens to the H+ ions released

Back (Answer)

The H+ ion will then join with a water molecule making a hydroxenium ion.

Front (Question)

What is the equation for a hydroxenium ion forming

Back (Answer)

H+ (aq) + H2O (l) <-> H3O +

Front (Question)

What happens when the acid is stronger

Back (Answer)

The more free H+ ions are released into solution. The greater the number of free H+ ions.

#10

Front (Question)

What does a greater number of H+ ions in the solution mean

Back (Answer)

It means that the PH value of the acid will be lower.

#11

Front (Question)

What are most organic acids

Back (Answer)

They are weak acids

#12

Front (Question)

What is the definition of a base

Back (Answer)

A base neutralises an acid to form a salt

#13

Front (Question)

What is the definition of an alkali

Back (Answer)

An alkali is a soluble base that releases OH- ions into solution.

#14

Front (Question)

what happens in a neutralisation reaction

Back (Answer)

H+ ions react with a base to form a slat and water.

#15

Front (Question)

What is the ionic equation for all neutralisation reactions

Back (Answer)

H+ + OH- -> H2O

#16

Front (Question)

What is the word equation for an acid and base

Back (Answer)

Acid + base -> salt + water

#17

Front (Question)

What is the work equation for an acid and base

Back (Answer)

Acid + base -> salt + water

#18

Front (Question)

What is the word equation for an acid and alkali reacting

Back (Answer)

Acid + alkali -> salt + water

#19

Front (Question)

What is the word equation for an acid and metal reacting

Back (Answer)

Acid + metal -> salt + hydrogen

#20

Front (Question)

What is the word equation for an acid reacting with a carbonate

Back (Answer)

Acid + carbonate -> salt + water + carbon dioxide

#21

Front (Question)

what do you call a salt made form hydrochloric acid

Back (Answer)

• Chloride

#22

Front (Question)

what do you call a salt made form sulphuric acid

Back (Answer)

Sulfate

#23

Front (Question)

what do you call a salt made form nitric acid

Back (Answer)

• Nitrate

#24

Front (Question)

what do you call a salt made form ethanoic acid

Back (Answer)

Ethanoate