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Question- Epoxides are reduced by treatment with lithium aluminum hydride to yield alcohols. Draw the structure of the first intermediate of the reaction between 3,4-epoxyhexane and LiAlH4.
Illustrate all work utilize additional paper if required.
Problem- Write a balanced reaction that clearly shows the hydrolysis of val-phe dipeptide. Assume the pH is equivalent to the pI.
Calculate the energy of a photon of electromagnetic radiation at the following frequency 103.7 (typical frequency for FM radio broadcasting) in J.
Question- A polymer graft is incubated in a large container of plasma solution containing albumin (40 mg/ml), fibrinogen (2 mg/ml) and globulin (4.6 mg/ml). The diffusion coefficients of these protein molecules
bone was dissolved in hydrochloric acid giving 45.0 ml of solution containing calcium chloride cacl2. to precipitate
You are provided with the instrumental information below, identify the compound it was obtained for, explaining your reasoning.
For the reaction of iodine atoms to form I2, the experimental rate law is Rate = k[I]^2. What are the units for k if the unit of time is seconds
The electrochemical processes that occur in the rate limiting step of the corrosion of iron (oxidation of iron) are represented by the half-reactions
Benzene (A) melts at 6 0C and diphenylmethanol (B) melts at 65 0C. The solids are mutually immiscible. There is a eutectic at 1 0C, the eutectic solution being 20 mol % in B, and an unstable compound, AB2,
Calculate The energy of the four lowest energy levels of the He+ ion? b)What is the energy and wavelength associated with the n=2- n=1 transition in He+
What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1.00 atm and the temperature is brought to 25 oC? Assume the products are also returned to the same temperature a..
If the vapor pressure of pure water at 25 C is 23.8mmHg What is the partial pressure of water over the solution? Assume ideal behavior for the solution.
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility a) in pure water, b) in 0.20M KBr solution, c) in 0.20M Pb(NO3)2 solution.
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