Carbonic Acid

Sena Sevindi9/D 229

What is Carbonic acid?

CO2 + H2O H2CO3

Acidity of Carbonic Acid pH 6 at room temperature

Role of Carbonic Acid in Blood

Respiratory gas exchange

A half-life of 180,000 years

Experiment #1 Using dry ice cubes and carbonic

acid

A reaction that causes colour change

Suitable for labs

Materials: Materials

Carbonic acid Dry ice cubes Beaker

Safety Equipments Eye goggles Gloves

H2CO3 CO2

Experiment #2 Using apple vinegar and baking soda

A reaction that produces carbonic acid

Suitable for home

Materials: Materials:

Baking soda Apple vinegar A plastic bottle A balloon A teaspoon

Safety Equipments: Gloves

NaHCO3 products

CH3COOH

Release of carbonic acid

Thank you for listening:) References:

www.stevepanglerscience.com www.wikipedia.com www.youtube.com www.periodic-table.org.uk IGCSE Chemistry Book