Temperature joule j after jp joule 1818-1889the derived si, Ask an Expert

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Temperature joule; J (after J.P. Joule, 1818-1889)

The derived SI unit of energy described as the amount of work done by moving an object by a distance of 1 m by applying a force of 1 N; thus it has units of N m.

Joule-Thomson effect; Joule-Kelvin effect (J.P. Joule, W. Thomson [later Lord Kelvin])

The change in temperature that takes place while a gas expands into a region of lower pressure.

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