A screencast from Chapter 1 in CH 221 which looks at both significant figures and scientific notation, two of the most important concepts from Chapter [more...]
A screencast from Chapter 1 in CH 221 which examines the three temperature scales used often in chemistry.
A screencast from Chapter 1 in CH 221 which looks at Density and how it is used in chemistry.
A screencast from Chapter 1 in CH 221 which discusses the States of Matter.
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