Acids and Bases

Learn the properties and reactions of acids and bases.

Sample Cards

Acid

A substance that donates protons (H+) in a reaction

Base

A substance that accepts protons (H+) in a reaction

pH Scale

A scale used to measure the acidity or basicity of a solution

Acidic

A solution with a pH less than 7

Basic (Alkaline)

A solution with a pH greater than 7

Bronsted-Lowry Acids

Acids that donate a proton

Bronsted-Lowry Bases

Bases that accept a proton

Conjugate Acid-Base Pairs

Pairs of substances that differ by the presence of a single proton

Acids and Bases Flashcards

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What's in this deck?

Acid

A substance that donates protons (H+) in a reaction

A substance that donates protons (H+) in a reaction

Acid

Base

A substance that accepts protons (H+) in a reaction

A substance that accepts protons (H+) in a reaction

Base

pH Scale

A scale used to measure the acidity or basicity of a solution

A scale used to measure the acidity or basicity of a solution

pH Scale

Acidic

A solution with a pH less than 7

A solution with a pH less than 7

Acidic

Basic (Alkaline)

A solution with a pH greater than 7

A solution with a pH greater than 7

Basic (Alkaline)

Bronsted-Lowry Acids

Acids that donate a proton

Acids that donate a proton

Bronsted-Lowry Acids

Bronsted-Lowry Bases

Bases that accept a proton

Bases that accept a proton

Bronsted-Lowry Bases

Conjugate Acid-Base Pairs

Pairs of substances that differ by the presence of a single proton

Pairs of substances that differ by the presence of a single proton

Conjugate Acid-Base Pairs

Strong Acids

Acids that completely ionize in a solution

Acids that completely ionize in a solution

Strong Acids

Weak Acids

Acids that do not completely ionize in a solution

Acids that do not completely ionize in a solution

Weak Acids

Strong Bases

Bases that completely ionize in a solution

Bases that completely ionize in a solution

Strong Bases

Weak Bases

Bases that do not completely ionize in a solution

Bases that do not completely ionize in a solution

Weak Bases

Neutralization Reactions

Reactions between an acid and a base

Reactions between an acid and a base

Neutralization Reactions

Amphoteric Substances

Substances that can act as both an acid and a base

Substances that can act as both an acid and a base

Amphoteric Substances

Buffers

Solutions that minimize pH changes

Solutions that minimize pH changes

Buffers

Hydronium Ion (H3O+)

The ion that forms when an acid donates a proton to water

The ion that forms when an acid donates a proton to water

Hydronium Ion (H3O+)

Hydroxide Ion (OH-)

The ion that forms when a base accepts a proton from water

The ion that forms when a base accepts a proton from water

Hydroxide Ion (OH-)

Acid Dissociation Constant (Ka)

A measure of the strength of an acid

A measure of the strength of an acid

Acid Dissociation Constant (Ka)

Base Dissociation Constant (Kb)

A measure of the strength of a base

A measure of the strength of a base

Base Dissociation Constant (Kb)

Titration

A method used to determine the concentration of an unknown acid or base

A method used to determine the concentration of an unknown acid or base

Titration

Lewis Acids

Substances that accept an electron pair

Substances that accept an electron pair

Lewis Acids

Lewis Bases

Substances that donate an electron pair

Substances that donate an electron pair

Lewis Bases

Acid-Base Indicators

Substances that change color depending on the pH of the solution

Substances that change color depending on the pH of the solution

Acid-Base Indicators

Polyprotic Acids

Acids that can donate more than one proton per molecule

Acids that can donate more than one proton per molecule

Polyprotic Acids

pKa

The logarithmic scale for expressing the strength of acids

The logarithmic scale for expressing the strength of acids

pKa

Acids in Everyday Life

They are found in foods, drinks and stomach

They are found in foods, drinks and stomach

Acids in Everyday Life

Bases in Everyday Life

They are found in cleaning products and antacids

They are found in cleaning products and antacids

Bases in Everyday Life

Acids in Industry

Used in manufacturing, treatment of metals and petroleum refining

Used in manufacturing, treatment of metals and petroleum refining

Acids in Industry

Bases in Industry

Used in textile industry, soap and detergent manufacturing

Used in textile industry, soap and detergent manufacturing

Bases in Industry

Acids in Biological Systems

Play key roles in digestion and metabolism

Play key roles in digestion and metabolism

Acids in Biological Systems

Bases in Biological Systems

Involved in maintaining pH balance in the body

Involved in maintaining pH balance in the body

Bases in Biological Systems

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