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Consider a 0.141 L solution of the amino aspartic acid (0.825 M), which has a carboxylic acid group (pKa = 2.10), an amine group (pKa = 9.82), and a carboxylic acid side chain (pKa = 3.86). How many liters of 2.63 M NaOH would you need to add to reach the isoelectric point of the amino acid?
Consider the reaction at 25C 2NO2 --> 2NO + O2 The overall rxn rate = k[NO2]2. The rate constant, k = 1.4 × 10^10 M-1 s-1. If 3.8 moles of NO2 are initially present in a sealed 1.00 liter vessel at 25 C, what is the half-life of the reaction
how many milliliters of magnesium metal with a density of 1.74 gml are needed to produce 102.3 grams of magnesium
The Arenes being reacted with Bromine are benzhydrol, diphenyl ether, Terepthalic acid, Phenol, Anisole. List them from fastest to slowest with the explanation.
Ethyl p-aminobenzoate was produced by the H2SO4 acid-catalyzed, reversible reaction of paminobenzoic acid and ethyl alcohol, as depicted below. Briefly explain why one reactant (the one that's cheaper and more easily separated during work-up) was ..
Calculate the final volume of the gas,and express your answer in milliliters and determine the pressure in the flask if the temperature is raised to 25 degree celcius?
What is the most appropriate temperature for storing your protein between purification steps? a) Room temperature b) 4° C c) -20° C d) -80° C
State whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) increasing the temperature; (b) transferring the equilibrium mixture to a larger reaction vessel; (c) adding a small amount of LiOH(s), which reacts ..
Calculate the percent yield of 1.0 grams of salicylic acid obtained from the hydrolysis of 1.3 mL of methyl salicylate.
Calculate the energy, in joules, required to excite a hydrogen atom by causing an electric transition from the n=1 to the n=4 principal enegry level
Describe the preparation of one liter of 0.10 M ammonium cholride buffer, ph=9. starting with solid ammonium cholride pk=9.26 and 1 M NaOH. describe in detail steps to solve and use correct units please
The hydrogen atom isn't actually electronegative sufficient to form bonds to xenon. Were the xenon-hydrogen bond to exist, explain what would be the structure of XeH4
A sample of an unknown gas with a mass of 9.85g has a volume of 5.4523 L when the temperature is 158.7oC and the pressure is 1.684 atm. Explain what is the molar mass of the gas
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