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A car traveled 150 km in 2.5 hours. What was the average speed in km per hour?
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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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What happens when the temperature of a solution increases?
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Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
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Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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A car traveled 150 km in 2.5 hours. What was the average speed in km per hour?...
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