Chemistry, 19.05.2020 16:58, olamagdziak2007
Scoring Scheme: 3-2-1-1 Which of the following reasons correctly explains the color changes that take place when ethylenediamine (C2N2H8) is added to the solution of cobalt(II) chloride? a. Addition of the liquid ethylenediamine dilutes the concentration of cobalt(II) chloride in the solution resulting in a color change. b. The ethylenediamine is oxidized and the resulting solution is deeply colored. c. The water ligands surrounding the cobalt metal center are being replaced by ethylenediamine and chloride ligands which results in a different crystal field splitting. Thus, the energy associated with electron transitions between the d-orbitals will differ for the two compounds showing a color change.
Answers: 2
Chemistry, 22.06.2019 00:00, lilyclairehutson
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 14:00, Killion2022
Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel
Answers: 1
Chemistry, 22.06.2019 19:30, Adrian12313
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
Answers: 1
Chemistry, 23.06.2019 01:30, kcarstensen59070
Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.
Answers: 1
Scoring Scheme: 3-2-1-1 Which of the following reasons correctly explains the color changes that tak...
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