Graham's Law

In order to investigate Graham’s Law you must first understand the key difference between effusion and diffusion. Effusion is the process where gas can escape through a small hole. Diffusion occurs when gas molecules disperse throughout a given volume. In this interactivity, use the NEXT and PREV buttons in the lower right corner to learn about Graham’s Law.

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Graham's Law Review

Now that you have explored the Graham’s Law, review your knowledge in this non-graded activity. Read each question, list the known and unknown variables, and solve the problem. Once you have completed the problem, select the correct answer. Click SUBMIT to check your responses. Click the interactivity thumbnail, and then click NEXT to get started.