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Chemistry, 22.06.2019 03:20
What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
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Compare and contrast physical changes with chemical changes.
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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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Chemistry, 23.06.2019 00:00
Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.
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Apotassium hydroxide (koh) solution has a molar concentration of 0.065 m, calculate the [h3o+], [oh-...
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