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Chemistry, 21.06.2019 15:50
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Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy
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Chemistry, 22.06.2019 15:00
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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Calculate the percentage mass of oxgen in water, H2O...
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