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Chem 2 COPY > Acids, Bases And Neutralisation > Flashcards

Acids, Bases And Neutralisation Flashcards

1
Q

What do all acids contain in their formulae?

A

Hydrogen ions.

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2
Q

What happens when an acid is dissolved in water?

A

Hydrogen ions are released in solution.

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3
Q

What does a strong acid do in water?

A

It releases all of its hydrogen ions which is known as complete dissociation.

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4
Q

What is a good example of a strong acid?

A

HCl

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5
Q

What does a weak acid do when dissolved in water?

A

It only releases a small proportion of hydrogen ions into the solution (partial dissociation).

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6
Q

What type of acid tends to be weak?

A

Organic acid.

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7
Q

Give an example of a weak acid.

A

Ethanoic acid.

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8
Q

What are the different types of base?

A

Metal oxides
Metal hydroxides
Metal carbonates
Ammonia

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9
Q

What is the molecular formula of ammonia?

A

NH3

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10
Q

What does a base do to an acid?

A

It neutralises an acid to form a salt.

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11
Q

What is an alkali?

A

This is a base that dissolves in water releasing hydroxide ions into a solution.

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12
Q

What are the three metal oxide bases?

A

MgO
CaO
CuO

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13
Q

What are the common metal carbonate bases?

A

Na2CO3
CaCO3
CuCO3

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14
Q

What are the three common alkali bases?

A

NaOH
KOH
NH3

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15
Q

What part of the acid reacts with the base in neutralisation?

A

The hydrogen ions.

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16
Q

What are the hydrogen ions replaced by in neutralisation?

A

Metal or ammonium ions.

17
Q

What salt is produced when hydrochloride acid reacts with sodium carbonate?

A

Sodium chloride

18
Q

What salt is produced from the reaction of sulphuric acid and sodium carbonate?

A

Sodium sulfate

19
Q

What is the formula of sodium chloride?

A

NaCl

20
Q

What is the formula of sodium sulfate?

A

Na2SO4

21
Q

What is formed from the neutralisation of an acid with a metal oxide or hydroxide?

A

A salt and water only.

22
Q

What happens when an alkali and acid reacts?

A

A salt and water only.

23
Q

When an alkali and acid reacts, what are the reactant states?

A

The reactants are in solution (aqueous)

24
Q

What is produced in the neutralisation of acids with metal carbonates?

A

A salt, water and carbon dioxide gas.

Chem 2 COPY (17 decks)

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