Why are liquids often dense?
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Chemistry, 23.06.2019 01:30, Nathaliasmiles
If a particle has z = 25 and 23 electrons, what is its charge?
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High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?
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