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Define An enzyme was assayed at an initial substrate concentration of 2x10^-5 M. In six minutes half of the substrate had been consumed. The km for the substrate is 5x10^-5M. Compute the turnover number (k)
Can anyone show a picture or a link to show me the mechanism for maleic acid to fumeric acid and include where the electrons are transferred from and where they are going
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2 mL of water, a completey homogenous solution was formed. Draw the structures of the species present in water.
Explain why p-nitrophenol is a stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol. Explain
why is normal phase chromatography ideal for separating the components chlorophyll a b and carotene in a petroleum
A second-order reaction required 53.8s for the concentration to drop from 0.50 M to 0.36 M. What is the value of the rate constant
Give structural formulas( condensedor bond-line)for all of the different alkenes that can be hydrogenated with H2/pt to produce 3-methylheptane.
A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream
The following are some typical solvents used for recrystallization and dissolution of various organic compounds. Give their structures (line drawings are acceptable) and their boiling points.
Can the concentration of nickel ion be reduced to 1.0 x 10-5 M by precipitation of the nickel ion as nickel hydroxide without precipitating the calcium ion as calcium hydroxide. The Ksp of calcium hydroxide is 6.5x10-6 and the Ksp of nickel(II) hy..
One mole of carbon-12 atoms is equal to a mass of exactly how many grams of carbon-12 atoms?
determine the specific heat of a material if a 35 g sample of the material absorbs 48 j as it is heated from 298 k to 313 k
The energy levels of a Helium Ion, He+, may be calculated from the Bohr Theory using z = 2 for the atomic number, En = -1312.04 Z2/n2 or En=-5248.16/n2 (kJ mol-1) for n=1, 2,3,.... Calculate the first 4 energy levels of He+
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