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Chemistry, 03.06.2021 18:30 destinyharris2586
How many moles of al is needed to replace all the iron from 5.6 moles of fe2o3
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Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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