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Gay-Lussac’s law of combining volumes

physical science

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Gay-Lussac's law of combining volumes, also known as the law of combining volumes, states that when gaseous substances combine to form a gaseous compound, their volumes combine in simple, whole-number ratios. This means that if you react two gases together, the volumes of the gases that react and the volume of the resulting gas will be in a simple ratio, such as 1:1 or 2:1.12

This law was established by French chemist and physicist Joseph-Louis Gay-Lussac in 1808. It is a fundamental concept in understanding the behavior of gases and their chemical reactions, forming a crucial part of early atomic theory alongside the work of John Dalton and Amedeo Avogadro.32

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