Science, Tech, Math › Science Henry's Law Definition Print Andrew Brookes / Getty Images Science Chemistry Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Learn about our Editorial Process Updated on February 04, 2019 Henry's Law is a chemistry law which states that the mass of a gas which will dissolve into a solution is directly proportional to the partial pressure of that gas above the solution. Cite this Article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Henry's Law Definition." ThoughtCo, Aug. 28, 2020, thoughtco.com/henrys-law-definition-606353. Helmenstine, Anne Marie, Ph.D. (2020, August 28). Henry's Law Definition. Retrieved from https://www.thoughtco.com/henrys-law-definition-606353 Helmenstine, Anne Marie, Ph.D. "Henry's Law Definition." ThoughtCo. https://www.thoughtco.com/henrys-law-definition-606353 (accessed April 20, 2024). copy citation