Chemistry, 10.02.2022 01:50 mattmaddox86
How many boxcars are there in a long freight train if it takes the entire train 2.0 min to pass a station as it travels 40. Miles per hour? The box cars were 86 ft long
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Chemistry, 21.06.2019 20:30
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Chemistry, 21.06.2019 22:30
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
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Chemistry, 22.06.2019 06:00
According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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How many boxcars are there in a long freight train if it takes the entire train 2.0 min to pass a st...
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