Chemistry, 10.02.2021 20:30 hannah2718
In a lab experiment a mixture of salt, sand and water is given to students. The students separate out the sand by filtration. Then, the salt is separated from the water by distillation. Explain why the water, salt or sand cannot be broken down further.
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Express the following number in scientific notation. 0.026890 =
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What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
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The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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What causes the appearance of lines in a emission spectrum
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In a lab experiment a mixture of salt, sand and water is given to students. The students separate ou...
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