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Explain A mixture of amino acids (Lys, Ala, and asp) is subjected to cation exchange chromatography at pH 3.0 . Depict the structure of the amino acids as they would exist at pH 3.0
A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.59. What was the concentration of the solution.
calculate the vapor pressure of a solution of glycerol of 265ml in 3.80x102ml of h2o at the normal boiling point of
How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg
The structures of the disulfides (MS2) show an apparently unusual trend, proceeding from left to right across the transition series. On the left side (TiS2, ZrS2, MoS2, etc.)
If the ethane is burning at the rate of 0.20 mol/L.s, at what rate are CO2, and H2O being produced?
When ammonia gas, NH3, is passed over hot liquid sodium metal, hydrogen gas, H2, is released and sodium amide, NaNH2, is formed as a solid product. What is the balancing Equation
How many milliliters of a 7.47 M LiOH solution are needed to neutralize 25.0 mL of a 2.87 M HBr solution
compound q has a molecular formula c6h10. q reacts rapidly with br2ccl4 and also reacts rapidly with cold concentrated
A container consists of CO2 gas at a temperature of 15 C and at a pressure of .990 atmospheres. The volume of the container is 500 mL. How many grams of CO2 would be in the container?
If it takes 1250 J to raise the temperature of 33.5g of a substance 59 deg C what is the specific heat of the substance
The formulation of one commercial antacid includes both aluminum hydroxide and magnesium hydroxide. Suggest a possible reason for this combination
Calculate the change in Gm for ice at -10C, with density 917kg/m^3 when the pressure is increased from 1.0 bar to 2.0 bar. Self test 3.12
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