electrochemical equivalent

[ ih-lek-truh-kem-i-kuhl ]

noun

, Physical Chemistry.

1. the mass, in grams, of a substance deposited on the electrode of a voltameter by 1 coulomb of electricity.

electrochemical equivalent

noun

1. the mass of an element liberated from its ions or converted into them by one coulomb of electric charge

Word History and Origins

Origin of electrochemical equivalent¹

First recorded in 1880–85

Example Sentences

Joule measured the corresponding heats of combustion, and showed that the electromotive force corresponding to a chemical reaction is proportional to the heat of combustion of the electrochemical equivalent.

From Project Gutenberg

The number ε is a definite quantity of the element, and is called its electrochemical equivalent.

From Project Gutenberg

Thus the electromotive force is equal to the change of this free energy per electrochemical equivalent of reaction in the cell.

From Project Gutenberg

If, as is now usual, we take the equivalent weight of oxygen as our standard and call it 16, the equivalent weight of hydrogen is 1.008, and its electrochemical equivalent is 1.044 � 10−5.

From Project Gutenberg

The electrochemical equivalent of any other substance, whether element or compound, may be found by multiplying its chemical equivalent by 1.036 � 10−5.

From Project Gutenberg