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Monothiocarbamate complexes of Fe(III) have been prepared. For the methly and ethyl complexes, the magnetic moment, μ, is 5.7 to 5.8 μB at 300K, changes to 4.70 to 5 μB at 150K, and drops still further to 3.6 to 4 μB at 78K. The color changes from red to orange as the temperature is lowered. With larger R groups (propyl, piperidyl, pyrrolidyl), μ > 5.3 μB at all temperatures, and is greater than 6 μB in some. Explain these changes.
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
Draw (S)-3-hexanol, then indicate the stereochemistry of the product formed when it is treated with each of the following reagents
What are the flight times of the singally and doubly-protonated ion forms of a 1735.4 Da peptide accelerated by a potential of 25.00 kV
Background: a 5.0 ml sample of a protein is in a solution of 0.5 M NaCl. This solution is placed in dialysis tubing to remove as much NaCl as possible. In theory, the final concentration of NaCl should be the same inside as outside of the dialusis..
Moneybags was found dead on the floor of his study. Investigators found an open bottle of scotch on his desk, and a broken glass on the floor near his body
What is the energy change when the temperature of 14.4 grams of liquid mercury is decreased from 37.9 C to 24.4 C
A sample of c3h8 has 6.56 x 10^24 H atoms. How many carbon atoms does the sample contain. what is the total mass of the sample
Which of the following best describes a competitive inhibitor, I: A. As [I] increases, there is a decrease in VMAX and an increase in KM,app. B. As [I] increases, there is a decrease in VMAX and an decrease in KM,app
what is the lewis dot structure of HXeSH the formal charges on each atom should be = to 0
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
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.
a 0.8054 g sample of an unkown monoprotic acid requires 44.30 mL of the same solution to reach the same endpoint. what is the molar mass of the unknown monoprotic acid
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