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Direct linkKallepalli, Samaya; Johnson, Lydia; Mattson, Bruce – Journal of Chemical Education, 2021
Thomas Graham discovered the law that bears his name while studying gas diffusion into air and other gases. He also found that the same relationship held with gas effusion, the movement of gases through a pinhole into a vacuum. Modern understanding of diffusion and effusion is based on kinetic-molecular theory, and it is generally accepted that…
Descriptors: Chemistry, Scientific Concepts, Scientific Principles, Kinetics
