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The Iron(3) ion have five unpaired electrons. In octahedral coordination complexes, it may have either one or five unpaired electrons. Using valence bond theory: 1. Draw and name the hybrid orbital schemes for these two situations. 2. which complex would be expected to have stronger bonds with the ligands? Explain.
The rate constant are 0.039 L/mol-1*s-1for the forward reaction (CO2 + H2O ? H2CO3) and 23 s-1for the reverse reaction (H2CO3 ? CO2 + H2O). What is the order of the reverse reaction
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
If you take a 67.5 mL portion of 1.98 M. NH3 stock solution and dilute it to a total volume of 0.600 L, what will the concentration of the final solution be?
Calculate the lattice energy of RbCl using the following data: Rb(s) => Rb(g) ?H = +86 kJ/mol Rb(g) => Rb+(g) + e- ?H = +409 kJ/mol Cl2(g) => 2Cl(g) ?H = +242 kJ/mol Cl(g) + e- => Cl-(g) ?H = -355 kJ/mol Rb(s) + 1/2 Cl2(g) => RbCl(s) ?H = -435 kJ/..
A solid mixture consists of 51.0 g ofKNO3 (potassium nitrate) and 9.0 gofK2SO4 (potassium sulfate). The mixture is added to 130g of water. If the solution described in the introduction is cooled to 0 degrees celsius
Calculate the volume of concentrated sulfuric acid, containing 98% H2SO4 by mass, that would contain 40.0 g of pure H2SO4.
To what final volume would 100 mL of 6.0 M NaCl have to be diluted in order to make "physiological saline" (0.54 M NaCl)
The combustion of ethanol, C2H6O (MW = 46.0 g/mol), produces CO2 (MW = 44.0 g/mol) and water (18.0 g/mol). In a lab experiment, the reaction occurs using 4.60 g of ethanol in a 1.00 L container at body temperature (310 K) and 0.970 atm according t..
the concentration of Hcl in a solution by titrations using different indicators to find the end point. Is the difference between indicators 1 and 2 significant at the 95% confidence level?
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? A) the paramagnetism observed for O2
In an alternative analysis of spinach, a student adds the following to an extraction funnel: 50 mL ether, 50 mL water, 15 mL 0.1 M HCl, 0.25 g retinol (vitamin A), and 0.25 g glutamic acid, and proceeds to shake. Indicate the contents of phase A a..
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