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Chemistry, 21.06.2019 22:00
Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?
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Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
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Which of these conditions most likely produces an unstable isotope?
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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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How many grams are in 2.57 x 10^25 molecules of i2...
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