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Draw the orbital-energy diagrams and use the spectrochemical series to show orbital occupancy and identify ehether the complexes are diamagnetic or paramagnetic. If the complex is paramagnetic, further classify it as high spin or low spin and identify the number of unpaired electrons.
how much energy is released when 89 grams of water vapor (steam) is cooled from 503 K to 354 K?
What is the pH of a solution containing 50.00 mL of 1.0 M HCl and 50.00 mL of 1.0 NH3? The Kb for NH3 = 1.8 x 10-5.
Characterize each of the following as a strong, weak, or non-electrolyte: a. H2O, b.HCl, c.HNO3, d.KCl, e.KNO3, f.KOH, g.CH3CO2H, h.CUSO4, i.NH3, j.Ca(NO3)2,k. Al(NO3)3
Calculate the molarity and the molality of an NH3 solution made up of 36.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
The two ions are mixed in a solution and you need to pick a chemical to add that would allow you to selectively remove one of them. Briefly describe the process you would use to separate the two ions.
Calculate the pH of a buffer solution with .10 moles of C2H5COOH and .13 moles of C2H5COONa in 1.5L
How many hydrogen bonds exist per full turn of the alpha helix? What is the rise in angstrom? Can these be different in different alpha helices? Explain.
Nitrogen trichloride, an unstable liquid, is placed in a 3.00 L container at 29ºC. The initial pressure in the flask is 1.00 atm due to the presence of air.
If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle
An oxide of copper is decomposed forming copper metal and oxygen gas. A 0.500 g sample of this oxide is decomposed, forming 0.444 g of copper metal. What is the empirical formula of the copper oxide?
explain how alkenearomatic c-h stretches are distinguished from alkane c-h stretches. do the c-h stretch peaks in the
Explain why copper (II) and iodide are incompatible in acid media and compatible in ammonia media
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