Carbonic acid

Carbonic Acid

Carbonic acid (pronunciation: /kɑːrˈbɒnɪk ˈæsɪd/) is a type of acid that is formed when carbon dioxide (CO2) is dissolved in water (H2O).

Etymology

The term "carbonic acid" originates from the Latin word carbonem for "charcoal" and the Greek word -ikos for "pertaining to". It was first identified in the late 18th century by the French chemist Antoine Lavoisier.

Chemical Composition

Carbonic acid is a weak acid and its chemical formula is H2CO3. It is formed when carbon dioxide reacts with water. This reaction is reversible, meaning that carbonic acid can decompose back into carbon dioxide and water.

Biological Importance

Carbonic acid plays a crucial role in the carbon cycle, a process that is vital for life on Earth. It is also important in the regulation of the pH of blood in the human body.

Related Terms

• Carbon dioxide
• Water
• Acid
• Carbon cycle
• pH

External links

• Medical encyclopedia article on Carbonic acid
• Wikipedia's article - Carbonic acid

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