Chemistry, 26.01.2021 21:10 jeanniebyrd54
What is the ratio of calcium-to-fluorine atoms when calcium fluoride makes a crystal?
Answers: 3
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Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
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Chemistry, 22.06.2019 15:30
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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What is the ratio of calcium-to-fluorine atoms when calcium fluoride makes a crystal?...
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