Law of Combining Volumes Definition

Chemistry Glossary Definition of Law of Combining Volumes

Definition of Law of Combining Volumes:

A relation stating that the relative volumes of gases in a chemical reaction are present in the ratio of small integers (assuming all gases are at the same temperature and pressure).

Also Known As:

Gay-Lussac's Law

Examples:

In the reaction

2 H2(g) + O2(g) → 2 H2O(g)

2 volumes of H2 react with 1 volume of O2 to produce 2 volumes of H2O.

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Helmenstine, Anne Marie, Ph.D. "Law of Combining Volumes Definition." ThoughtCo, Feb. 9, 2017, thoughtco.com/definition-of-law-of-combining-volumes-604479. Helmenstine, Anne Marie, Ph.D. (2017, February 9). Law of Combining Volumes Definition. Retrieved from https://www.thoughtco.com/definition-of-law-of-combining-volumes-604479 Helmenstine, Anne Marie, Ph.D. "Law of Combining Volumes Definition." ThoughtCo. https://www.thoughtco.com/definition-of-law-of-combining-volumes-604479 (accessed May 28, 2018).