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How does SEC distinguish between large and small molecular weights? Be specific here. Also why is SEC ideally suited for polymer analysis?
Why was acetyl chloride /ethanol used as source of hydrocholic acid instead of aqueous hydrocholic acid
The equilibrium membrane potential for the case of multiple ions will depend not only on the concentrations of the ions within and outside the cell, but also on the permeability of the cell membrane to each ion Pi. Consider a situation in which on..
solution of the nonvolatile solute ethylene glycol, C2H4(OH)2, in water is prepared. Calculate the vapor pressure of the solution to three significant figures.
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected.
the label of an antacid tablet bottle states that each tabletcontains 480 mg of caco3. a tablet weighs 1.40 g. what
what are possible sources of error that might lead to an erroneous determination of the concentration of the acetic
consider the following reaction where kc 54.3.h2g i2glt----gt 2 higstarting with a concentration of 0.043 m for hi
A sample of Oxygen is collected in a 206 mL container over water at 15C, and the barometer reads 793 torr. What volume would the dry gas occupy at 704 torr and 15C? Water's partial pressure at 15C is 12.8 torr. Answer in units of mL.
The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules
How many micrograms are present in 2.3469 g? 1g= 1x10^6 micrograms. Please show your work and use significant figures in the answer.
A solution was prepared by mixing 40.00 mL of 0.130 M HNO3 and 136.00 mL of 0.200 M HNO3. Calculate the molarity of the final solution of nitric acid.
When 20.0 grams of an unknown compound are dissolved in 500. grams of benzene, the freezing point of the resulting solution is 3.77°C. The freezing point of pure benzene is 5.48°C, and Kf for benzene is 5.12°C/m. What is the molecular weight of th..
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