Chemistry, 16.12.2020 01:00 rachelvasky9
What is the density of a substance that weighs 340g and has a volume of 40cm3?
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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
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What is the density of a substance that weighs 340g and has a volume of 40cm3?...
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