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Gay-Lussac

The French physicist and chemist Joseph Louis Gay-Lussac (1778-1850) defined the Gay-Lussac law, named after him, of the uniform thermal expansion of gases. Accordingly, at constant pressure, all gases expand by 1/273 of their volume if they are heated by one degree Celsius. He also developed a system that alcohol content in degrees (°). The crowd will be clean alcohol given in 100 liters of wine, measured at 15 ° C. This system is still used in the Anglo-American region today mostly in the acronym GL. The value in degrees corresponds numerically to that volume,

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