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High School Chemistry Activity: Graham’s Law of Effusion

Thomas Graham was a physical chemist born in Scotland. He is best known for his work on effusion, a process where gas escapes through a small hole. A great example of this is when helium escapes from a balloon and the balloon slowly shrinks. Graham’s Law mathematically calculates the rate at which the gasses transfer. Learn Graham’s equation for effusion in the activity below.

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This activity can be found in our High School Chemistry course

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This course surveys all key areas of chemistry, including atomic structure, chemical bonding and reactions, solutions, stoichiometry, thermochemistry, organic chemistry, and nuclear chemistry. The course includes direct online instruction, virtual laboratories, and related assessments, used with a problem-solving book.

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High School Chemistry Activity: Graham’s Law…

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