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Problem- Which amino acids have a third group that can undergo acid/base chemistry? Arrange these from most to least acidic side chain, using the three carbon abbreviations for their names.
Please no duplicate from a web page, I have by at present tried searching for an answer.
At a certqain temperature and pressure, one liter of CO2 gas weighs 1.65 g. What is the mass of one liter of N2 gas at the same temperature and pressure
caffeine c8h10n4o2 is a stimulant found in coffee and tea. if a solution of caffeine in chloroform chcl3 as a solvent
could 131g of xenon gas in a vessel of volume 1.0dm^3 exerts a pressure of 20 atm at 25C if it behaves as a gas? if not what pressure would it exert? (b) what pressures would it exert if it behaved as a van der waals gas?
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?
Draw the Lewis dot structure for the HI molecule. Give the shape of the molecule in electron-domain geometry and molecular geometry.
for the reaction n2g 2 o2g 2 no2g kc 8.3 times 10-10 at 25degc. what is the concentration of n2 gas at equilibrium
If a molecule having an ionization energy of 11.83 eV produces a photoelectron having a kinetic energy of 7.7697E-19 J, what is the wavelength of the incident radiation
why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
A student determined the freezing point of pure t-butyl alcohol following the procedure given in this experiment . Because of an experimental error, the freezing point temperature that she obtained was higher than the correct value
calculate the E cell when [Zn^+2] = 0.10M and [Cu^+2] = 2.0 x10^-4M. Is the reaction Spontaneous or Non- spontaneous?
Consider three different compounds of the hypothetical element X using the table of bond lenghts as a reference, rank the three compounds shown below in order of increasing
0.497ml sample of HClO4 has a pH of 0.2251. If 647ml of distilled water was added to the HClO4 solution, what would be the new pH of solution be
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