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Chemistry, 22.06.2019 06:00
If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid
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Chemistry, 23.06.2019 02:00
Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
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Brian is planning to cycle 84 km to a hotel for an overnight stay. He cycles at a constant speed of...
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