Acids

Flashcards covering definitions of acids and bases, strong and weak acids, neutralisation, titration, and titration calculations.

Acids

Chemical substances that release hydrogen ions (H+) when added to aqueous solutions.

Bases

Chemical substances that release hydroxide ions (OH-) when added to aqueous solutions.

Strong Acids

Acids that ionize completely in reaction with water.

Weak Acids

Acids that partially ionize in reaction with water.

Neutralisation

The reaction when an acid and base react, the hydrogen ion in the acid is replaced by the metal ion in the base and a salt is formed, creating water.

Titration

A chemical procedure to determine the amount of substance present in a solution of unknown concentration.

Reaction of acids with metal oxides

When a metal oxide reacts with an acid, the metal ion replaces the H+ ions to form salt. The H+ and OH- ions react together to form water.

Reaction of acids with metal hydroxides

When metal hydroxide reacts with an acid, the metal ion replaces the H+ ions to form salt. The H+ and OH- ions react together to form water

Reaction of acids with metal carbonates

When a metal carbonate reacts with an acid, the metal ion replaces the H+ ions to form salt. The H+ and OH- ions react together to form water. Carbon dioxide gas is also released.

Concordant results

When 2 or 3 titre values are within 0.10cm3 of each other.

Reading

The values found from a single judgment when using a piece of equipment

Measurements

The values taken as the difference between the judgments of two values (e.g. using a burette in a titration)