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Consider the subsequent electronic transitions (in cm-1) for a series of nickel (II) complexes (dma=dimethylacetamide):
Complex V1 V2 V3[NI(H2O)6]2+ 8500 15,400 26,000[NI(NH3)6]2+ 10,750 17,500 28,200[Ni(OSMe2)6]2+ 7728 12,970 24,038[Ni(dma)6]2+ 7576 12,738 23,809
Find out the value of the crystal field splitting energy (0) for each of the complexes. eV to receive credit. Remember that wavenumber, cm-1, is the reciprocal of wavelength.
What is the molarity of an HCl solution if 23.3 mL of the solution is required to react with .266 g of Na2CO3
Using Gas Chromatography results and mass of your product mixture, calculate the percent yields of both 1-Hexanol and 2-Hexanol.
What is the equilibrium constant, Kc, for the reaction at this temperature?
You determine that the freezing point of a solution consisting of 20.0 g of cyclohexane and an unknown amount of naphthalene has a freezing point depression of 3.30 degrees C. How much naphthalene was added to the cyclohexane
What is the energy associated with an electron transition in a H-atom from n=1 to n=3? from n=2 to n=4. What is the photon wavelength associated with each of the transitions in 8
Predict the major product. Create a procedure to make the indicated product. Choose any masses and solvents you deem necessary, both reagents must be soluble.
Rank the diffusion coefficients from least (1) to greatest (4) for the following cases. Assume the temperature is the same for all cases. 1-4 Interdiffusion C in gamma-Fe
Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range.
An evacuated (empty) 276 mL glass bulb weighs 129.6375 g. Filled with an unknown gas, the bulb weighs 130.0318 g. Calculate the gas density in g/L.
Is it possible to prepare a buffer using HNO2? What is the expected pH range. Why is it seldom used to prepare buffer solutions
A dilute electrolyte solution is prepared by dissolving iron(lll) chloride in water. It is found to have a freezing point of-1.00C.
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-. Use E notation and 3 significant figures.
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