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Write the electron configuration, orbital filling diagram, and determine the number of valence electrons for the Rb. What is similar to the elements in the same group?
What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom? Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
Locate electronic spectral parameters for the tris(ethylenediamine)nickel(II) ion in solution and the magnetic moment (in Bohr magnetons) for a salt (indicate the counter ion). Spectral parameters should include: wavelengths of absorption maxima (..
Nitrosyl bromide, NOBr, is 34 percent dissociated at 25 deg. C and the total pressure is 0.25 atm.
In an airplane, a gas sample occurs at a volume of 1.5 L at 760.0 torr. Suppose, while flying, the airplane loses pressure and the volume of the gas increases to 11.40 L.
If the temperature of a sample of gas with an initial volume of 1.75 is increased form 15.0 c to 30.0c, what will the final volume be.
calcium iodide breaks apart into one Ca2+ ion for every two I- ions, so a solution that is 1.0 M in CaI2 is 2.0 M in I-.) Determine the molar concentration of calcium iodide in the original solution
What are some major reactions that you need to know for organic chemistry?
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18. What is the percentage of silicon in the mineral
A quantity of 85.0 mL of 0.900 M HCl is mixed with 85.0 mL of 0.900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/°C. If the initial temperature of both solutions are the same at 18.24°C
Using resonance contributors, explain why the nitrile group is a deactivator and a meta director in electrophilic aromatic substitution
What is the entropy change for freezing 4.25 g of C2H5OH at 158.7 K? H = -4600 J/mol. Answer in units of J/K.
A solution if prepared by dissolving 20.2 mL of methanol, CH3OH, in 100.0 mL of water. The final volume of the solution is 118 mL. The density of the pure methanol is 0.782 g/mL while the density of pure water is 1.00 g/mL
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