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Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010โ2017?
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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, 22.06.2019 22:00
8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these
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Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82โ + 3i โ (aq) โ 2so42โ + i3โ expt. # [s2o82โ] (m) [i โ] (m) initial rate 1 0.038 0.060 1.4 ร 10 โ 5 m/s 2 0.076 0.060 2.8 ร 10 โ 5 m/s 3 0.076 0.030 1.4 ร 10 โ 5 m/s the rate law for this reaction must be:
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Which half-reaction correctly represents reduction? (1) Cr3+...
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