Carbon dioxide dissolves in (and reacts with) water, forming carbonic acid. As this acid forms, it breaks down (dissociates) into a hydrogen ion and a bicarbonate ion. The hydrogen ion (produced when ...

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The acid cannot be isolated from the solution and so is often simply written as CO 2 (aq). Carbonic acid causes the acidity in fizzy drinks. This is used as a test for carbon dioxide. When carbon ...

Carbonic anhydrases (CAs ... CA activators (CAAs) participate in the enzyme catalytic cycle by facilitating the rate-determining step: a release of a proton from the zinc-coordinated water ...