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Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP
What volume of ethanol must be diluted with water to prepare 308 mL of 0.700 M solution?The density of ethanol is given as 0.789 g/mL.
If 50 g of KNO3 is completely dissolved in 100 g of water at 70 degrees Celcius, is the solution saturated, unsaturated, or supersaturated?
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
Describe how you wuld separate a mixture containing benzoic acid and a neutral substance, benzophenone. Both compounds are insoluble in water and solube in ether.
Compare the proposed reaction mechanism for the sodium hypochlorite oxidation of cyclohexanol with that involved in the chromic acid oxidation
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
Suggest a simple chemical test that would distinguish between the following compounds. State what you would see: a) n-pentane and 1-pentene
How many grams of oxygen are required to completely burn 5.90g of C3H8 in the following unbalanced
An unknown amount of water is mixed with 300 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.7 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in uni..
A feed stream containing a mixture of 40% n-butane, 30% n-pentane and 30% n-hexane flows into a flash unit. The flash temperature is 290 K and the flash pressure is 0.6 bar
octane has a density of 0.692g/ml at 20C. How many grams of O2 are required to burn 30.5 gal of C8H18
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