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What is the net charge of following polypeptide LEFVYSCQ at pH 10.07 and 13.56?
Calculate the pH after 4.00g of NaOH is added to 1.00L of the above buffered solution. Assume that there is no change in the volume of the solution upon addition of NaOH.
How many molecules of oxygen are produced from the decomposition of 8.75 g of hydrogen peroxide in the following equation Mg + H2O2 --> MgH2 + O2
What is the pH of a solution of 25.0mL of 1.35x10-3M HCl(aq) that has been titrated with 10.73mL of 1.00x10-3M NaOH. Assume 25°C.
Calculate the pH of the following solution: A mixture of equal volumes of 0.35 M glycine and 0.55 M HCL.
22.87 mL of a 0.1075 M NaOH solution are required to neutralize 0.300 grams of an unknown monoprotic acid. What is the molecular mass of the acid
Explain the valences for each, showing what may happen to the electronic structure in each case
Calculate the molar solubility of calcium hydroxide in a solution buffered at each of the following pH's.
ben franklin dropped the oil on the surface of a lake and found that 2 ml of oil gave a circle of radius 30 m.
Using the solution CoCl2 and distilled water, how would you prepare 100 mL of a 0.0600 M solution of CoCL2. what absorbance would you expect from the solution from part a, at the wavelength of maximum sensitivity
Name two intermolecular forces that are mixed up in chromatography and the roles that they play during separation.
Problem- Fluorine-18 decays via first-order kinetics and has a half-life of 109.77 minutes. Starting from a 1 gram sample, a) How much F-18 remains after 5 half-life
the characteristic odor of pineapple is due to ethyl butyrate a compound containing carbon hydrogen and oxygen.
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