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Matric Chem > Acids And Bases > Flashcards

Acids And Bases Flashcards

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1
Q

Arrhenius theory

A

An acid is a substance that ionizes in water to produce hydrogen ions.

A base is a substance that dissociates in water to produce hydroxide ions.

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2
Q

Brønsted-Lowry theory

A

An acid is a proton (H^+) donor

A base is a proton (H^+) acceptor

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3
Q

Strong acid

A

An acid that ionizes completely in an aqueous solution

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4
Q

Strong base

A

A base that dissociates completely in an aqueous solution

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5
Q

Weak acid

A

An acid that only ionizes partially in an aqueous solution

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6
Q

Weak base

A

A base that only dissociates partially in an aqueous solution

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7
Q

A concentrated acid

A

A large amount of absolute dissolved in a small amount of water

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8
Q

A dilute acid

A

A small amount of solute dissolved in a large amount of water

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9
Q

Salt

A

A substance in which the hydrogen of an acid has been replaced by a cation

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10
Q

Neutralization

A

The point where an acid and base have reacted so neither is in excess. Also called the equivalence point

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11
Q

Indicators

A

A substance that changes colour depending on the pH of a solution

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12
Q

Solution

A

A homogeneous mixture of solute and solvent

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13
Q

A standard solution

A

A standard solution has a know concentration and it will remain constant for a while

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14
Q

Amphoteric / Amphiprotic substance

A

A substance that can act as either an acid or a base.

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15
Q

pH

A

A number that indicates the degree of acidity of a solution.

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16
Q

lonisation

A

The reaction of a molecular substance with water to produce ions.

17
Q

Dissociation

A

The splitting of an ionic compound into its ions.

18
Q

The measure of ionization of an acid

A

Is a measure of the strength of an acid.

19
Q

The measure of dissociation of a base

A

Is a measure of the strength of a base.

20
Q

Hydrolysis of a salt:

A

A reaction of an ion (from a salt) with water.

Matric Chem (7 decks)

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