Acids & Bases

Acids & Bases

What are they?

Acids & Bases

An acid is any substance that releases H+ ions in water.

Acids & Bases

An acid is any substance that releases H+ ions in water.

The more H+ that is released, the stronger the acid.

Acids & Bases

Common examples include:HCl------------Hydrochloric Acid

Acids & Bases

Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid

Acids & Bases

Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid

HNO3 ---------Nitric Acid

Acids & Bases

Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid

HNO3 ---------Nitric Acid

CH3COOH----Acetic Acid (Vinegar)

Acids & Bases

A base is any substance that releases OH- ions in water.

The more OH- that is released, the stronger the base.

Acids & Bases

Common examples include:KOH------------------------Potassium Hydroxide

Acids & Bases

Common examples include:KOH------------------------Potassium Hydroxide NaOH----------------------Sodium Hydroxide

Acids & Bases

Acids Bases

Acids & Bases

Acids Bases

Acids & Bases

The pH scale is used to measure the strength of an acid or a base.

Acids & Bases

The pH scale is used to measure the strength of an acid or a base.

It is a scale that goes from 0to 14.

Acids & Bases

The pH scale is used to measure the strength of an acid or a base.

It is a scale that goes from 0to 14.0 is a strong acid and 14 a strong base.

Acids & Bases

Acids & Bases

Acid Base indicators help to determine if a liquid is an acid or a base.

Acids & Bases

Litmus paper :

Red to blue is a base

Acids & Bases

Litmus paper :

Red to Blue is a base

Blue to Red is an acid

Acids & Bases

pH indicator paper gives the pH of the solution.

Acids & Bases

Phenolphthalein : Turns pink at a pH

above 7

Acids & Bases

Neutralization reaction occurs when an acid is mixed with a base. The products are a salt and water.

Acid + Base Salt + Water

HCl + NaOH NaCl + H2 O