Carbon dioxide reacts with water to produce carbonic acid. The double arrow means that carbonic acid breaks down pretty readily to form carbon dioxide and water again. A hydrogen atom from the ...

Calcite is the most stable and the least soluble, and, therefore, the form in which calcium carbonate would be expected to precipitate from sea-water. It has been pointed out, however, that when ...

The potassium carbonate dissolves in the water, along with some other salts ... defined as a process in which atoms, molecules, or ions gain electrons.) We obtained aluminum powder by filing ...