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Problem- Provide a mechanism for the reaction of phenylmagnesium bromide with benzonitrile. What final product is obtained if this initial product is reacted with dilute aqueous acid? Provide a mechanism for this second step.
Write solution with complete explanation of required steps
You may assume that the specific heat of the solution is the same as the specific heat of pure water (4.184 J/g degrees C) and the calorimeter itself absorbes no heat.
hydrogen gas was collected over water in a eudiometer at 26 degrees c when the atmospheric pressure was 726 mm hg. What was the pressure of the hydrogen gas?
explain the major departure of the marginalist school from the classical political economists. how did it change the
Assuming that the solute consists entirely of NaCl (over 90% is), calculate the osmotic pressure of seawater at 20 degrees C
Calculate the nuclear binding energy for 55/25 Mn in megaelectronvolts per nucleon MeV/nucleon.
An electron in the n = 4 level of an H atom emits a photon of wavelength 97 nm. To what energy level does the electron move?
For the kinetic assay, 0.1ml of a .25mg/mL solution of enzyme was utilized and the enzyme has a molecular weight of 95,000 g/mole. Presume a reaction volume of 3mL. Compute the kcat (in sec-1) for the enzyme
High altitude balloons used by environment Canada to measure O3 levels in the atmosphere also use a similar idiometric titration where the iodine liberated is measured by back titration with sodium thiosulfate. In this case the iodine is generated..
Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the pH in the Pt | H+ | H2 half-cell? (c) What is the value of the equilibrium constant fo..
Calculate the concentration of C6H5NH3+ in this buffer solution Answer:1.9 M b) Calculate the pH after 4.0 g of NaOH(s) is added to 1.0 L of this solution
Problem- A liquid mixture of 20 mol% benzen, 50 mol% toluene, and 30%m-xylene is to be partially vaporized at 1 atm pressure. What is the lowest and the highest temperature at which vaporization will occur
For each of the following bonds, indicate the posotive ?^+ end and the negative ?^- end. Draw an arrow to show dipole for each: a) SI--Br; b) Se--F; c) Br--F; d) N--H; e) N--P.
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