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a. How many distinct diglycerides can you prepare from glycerol and one each of the following fatty acids: lauric acid (C12H24O2) and arachidonic acid (C20H32O2)?
b. How many phosphatidylcholine isomers can you prepare from phosphatidylcholine ("lecithin") and one each of the following fatty acids: lauric acid (C12H24O2) and arachidonic acid (C20H32O2)?
c. In the biosynthesis of phospholipds there is a preference to put unsaturated fatty acids in the C-2 position of glycerol. Draw the skeletal structure of the phospholipid most likely to be formed from phosphatidylcholine (the structure of which is given), lauric acid (C12H24O2) and arachidonic acid (C20H32O2).
Show the expected stepwise mechanism for the photochemical monochlorination of cyclohexane. Label the initiation, chain propagation
what is delta Urxn for the combustion X; the hardware compnent of the calorimeter has a heat capcity of 3.63kj/*c. the specific heat of water is 4.184j/g*c the MW of X is 56.0 g/mol
Limonene (MW 136) is a pleasant smelling liquid found in lemon and orange peels. The bp of limonene is 175, but it co-distills with water at 97.5. If the vapor pressure of water at 97.5 is 690 mm Hg, what percentage of the steam-distillate is limo..
How much heat is required to warm 213 g of ice from -46.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
A certain reaction has Ho = 29.80 kJ and So = 20.80 J/K. (a) Is this reaction exothermic, endothermic or isothermic (neither)? This reaction is . (b) Does this reaction lead to a decrease, an increase, or no change in the degree of disorder in the..
A chemist adds 120.0mL of a 1.12mol/L silver nitrate solution to a reaction flask. Calculate the mass in grams of silver nitrate the chemist added to the flask
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
At 1.00 atm and 23 C, how many liters of carbon dioxide are formed by the combustion of 3.40g of butane?
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
what is the oxidizing and reducing agent 3C2H5OH(aq) +2Cr2O7^2-(aq)+16H^+(aq)-->3CH3CO2H(aq)+4Cr^3+(aq)+11H2)(l)
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
If units were explicitly specified for Kp of the reaction above, they would be [atm]n. What would be the value of n for this reaction?
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