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In its crystalline form, hemoglobin has a spherical shape with a radius of 2.75 nm. In aqueous solution, the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
The dienophile used by Woodward and coworkers as part of total synthesis of the choleasterol might have ract at either of the alkene double bonds. Jusitfy the formation of the observed Diels-Alder adduct.
An airplane is pressurized to 650 mmHg, Which is the atmospheric pressure at a ski resort at 1.30 * 10^4ft alt?
When the stopcock between the manifold and the flask is opened, the pressure in the system is 287 torr. Assuming no temperature changes, what is the volume of the manifold
what is the molarity of the base? Show clearly all strps of calculation please and a generalized chemical equation
Calculate the following values for a 0.0150 M solution of NaH2A. and Calculate the following values for a 0.0150 M solution of Na2HA.
what is the molecular formula and empirical formula of NH2Cl, molar mass = 51.5 g/mol
How many theoretical plates does the column have? What is the plate height (in mm) of the column if the column is 11.7 cm long?
Find the enthalpy change for the chemical reaction below PCl5(g) ----> PCl3 (g) +Cl2 From the following equations:
Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be. what was the actual pH of the solution as made
A 2.30 L sample of neon at 5.35 atm is added to a 10.0 L cylinder that contains argon. If the pressure in the cylinder is 7.00 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?
The amino acid glycine is often used for biochemical buffers. The amino group of glycing can exist in a protonated form or as a free base (pKa 9.6).
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