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Reaction of AsCl3 with Cl2 at low temperature yields a product, believed to be AsCl5, which shows Raman bands at 437,369, 295, 220,213, and 3cm-1. Detailed analysis of the 369 and 295 cm-1 bands show them to arise from totally symmetric modes. Show that the Raman spectrum is consistent with a trigonal-bipyramidal geometry.
Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand . When the monoprotonated form, , abbreviated HA , is added to an aqueous solution of Cu2+,
A certain quantity of helium gas is at a temperature of 27degrees C and a pressure of 1.00 atm. What will the new temperature be if its volume is doubled at the same time that its pressure is decreased to one half of its original value?
25.00 mL of 0.0200 M MnCl2 is titrated with 0.0250 M Na2H2Y. Both solutions are buffered to pH 8.20. Determine pMn after the addition of the following volumes (mL) of the Na2H2Y.
the first order decomposition of N2O5 at 238 K has a rate constant of 1.70 * 10-3. If the initial concentration of N2O5 is 2.88M,
If the first order half life is 300. seconds at 35 degrees Celsius and the initial concentration of hydrogen peroxide in a commercial Winn-Dixie product is 0.050M, then after 30 minutes, calculate the concentration of the hydrogen peroxide expecte..
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K
what mass in grams of hydrogen gas is produced if 20 mol of Zn are added to excess hydrochloric acid according to Zn+2HCl yields ZnCl2+H2?
Species A and B were separated using column chromatography. The elution time for species A (tA) was 200 s with a peak width (wA) of 35 s and the elution time for species B (tB) was 321 s with a peak width (wB) of 35 s.
Calculate the molality and molarity of an NH3 solution made up of 37.0 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
A mixture of pentane and hexane has a vapor pressure of 258 torr. The standard vapor pressure of pentane is 425 torr. What is the mole fraction of pentane?
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
How many moles of the nonelectrolyte, propylene glycol(C3H8O2) should be dissolved in 800.0g of water to prepare a solution whose freezing point is -3.73C? For water, Kfis 1.86C m-1 and Kb is 0.51C m-1.
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