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Question: Below is a partial COSY spectrum that contains proton peaks from the indicated carbon/proton pairs (the numbered carbons) in the molecule below. Assign each proton peak (put a number over the 1D 1H peak) using the COSY data and your knowledge of multiplet patterns. (the peaks with the red X are not relevant).
If the annual production of acetyl salicylic acid in the U.S.A were converted to 5-grain aspirin tablets, approximately how many tablets would there be for each person? Assume that the population is about 3.0 X 10 ^8. Show Calculation
After a fatty acid has been desaturated, can it be desaturated a second time immediately thereafter? Why, or why not?
An important reference quantity in science is that the standard atmospheric pressure is equivalent to 760 torr or 101.3 kPa. Explain via the aid of a diagram and a calculation how the two numbers are equivalent
A technician is given the task of calibrating a calcium hydroxide solution with an approximate concentration of 0.01M using freshly calibrated 0.05M HCl.
Combustion of 19.81 mg terephthalic acid produces 41.98 mgCO2 as well as 6.45 mg H2O. If 0.315 mol of terephthalic acid has a mass of52.3 g find out the molecular formula for terphthalic acid.
Identify all of the entry points into the electron transport chain for electron pairs derived from the complete oxidation of fatty acids occurring in skeletal muscle tissue.
the bonding in ferrocene involves sharing of the 6 electrons from each cyclopentadienyl ring with the iron atom. based
Which is the major contributor to the linewidth, T2 or T2inh? Discuss the assumption that T2=T1 for NMR. This is not true for other types of spectroscopy(electronic for instance).
Why is modulating ligand concentration not sufficient for adequate control of signaling in an organism? Sketch a diagram of a G-protein coupled receptor cascade, and indicate the possible actions that can be taken by a cell to inhibit the signal.
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its first excited state (n = 2).
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
Determine the partial pressure and total pressure of each gas in the vessel and process of reaction runs until eighty five of the Oxygen is used and the vessel get cooled to its starting or initial temperature.
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