law of combining volumes (Gay-Lussac's law)
When gases react, they do so in a definite proportion by volume, if the volumes are measured at the same pressure and temperature. For example, in the reaction N2(g) + 3 H2(g) = 2 NH3(g), 3 liters of hydrogen will react with 1 liter of nitrogen to give 2 liters of ammonia if all volumes are measured at the same temperature and pressure. | ||||
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Law of combining volumes Definition from Encyclopedia Dictionaries & Glossaries
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Gay-Lussac's law
Gay-Lussac's law is one of two laws named after the French chemist Joseph Louis Gay-Lussac, which relate to the properties of gases and are known by the same name.
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