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Starting with an aqueous solution of fully deprotonated isoleucine (draw the structure of this form of isoleucine!), would you need to add strong acid or strong base to fully protonate the amino acid (draw the structure of this form of isoleucine!)? How many equivalents of strong acid/base would you need until half of isoleucine's a-carboxyl groups have been protonated? Explain and draw the structure of this form of isoleucine! What is the protonation state of the a-amino group at this point?
Using appropriate equations, explain why combustion of fuels containing sulfur leads to acid rain.
Write the electron configuration for each of the following. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2 and using the format CO2 for CO2.)
an airplane is pressured to 650 mm Hg, which is the atmospheric pressure at a ski resort at 1.30 * 10^4 ft altitude. If air is 21% oxygen,
The isothermal reversible expansion at room temperature of one mole of an ideal gas from 2L to 3L. (Answer: 3.4 J/K) b. One mole of ice at 265K is melted under usual lab conditions to form water at 329K.
Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with th..
A container of water is heated from 23.5C to 85.0C. This process requires 21,900 Joules of heat. Calculate the mass of the water. (c=4.184 J/g-C)
At STP, 50.0 mL of a gas weighs 0.301g and is found to be 47.4% sulfur and 52.6% chlorine. What is the molecular formula of the gas
What reaction occurs with water. Calculate the pH of a 0.10 M solution of NaHSO4. If solid Na2CO3 is added to the solution of NaHSO4, what reaction occurs between the CO3- and HSO4- ions
at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia
What is the work exchanged between the system(gas) and its surroundings. What is the change in internal energy of the gas. What is the change in enthalpy of the gas
When a Group III unknown was treated with an aqueous ammonia/ammonium chloride and ammonium carbonate, a white precipitate was produced.
The percentage of an additive in gasoline was measured six times with the following results: 0.14, 0.15, 0.16, 0.17, 0.20, 0.11%. Find the average and RSD and 90% confidence intervals for the percentage of the additive.
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