Lessons
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- Lesson
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Normality
- Description
- When you need to compare solutions on the basis of concentration of specific ions or the amount of charge that the ions have, a different measure of concentration can be very us...
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- Lesson
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radio waves
- Description
- Radio waves were first predicted by mathematical work done in 1865 by James Clerk Maxwell. Maxwell noticed wavelike properties of light and similarities in electrical and magnet...
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- Description
- Straight LinesA straight line is infinitely long. (what is shown here is actually a RAY- it may extend infinitely on one side, but has at least one end)It extends infinitely ont...
