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A bioengineer preparing cells for a cloning experiment bathes a small piece of rat epithelial tissue in a TRIS buffer, (HOCH2)3CNH2. The buffer is made by dissolving 44.0 g TRIS (pKb = 5.91) in enough 0.065 M HCl to make 1.00 L of solution.
What is the molarity of TRIS
What is the pH of the buffer
Draw and name the six ethers that are isomeric with C5H12O. Which of them are Chiral.
What is the maximum body accumulation of methylmercury at a constant ingestion rate of 4 mg of mercury per day?
Proteins rich in disulfide bonds often require longer incubation times at higher temperatures before they denature. Why?
how many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point?given deltahvap
what is the chemical equation name and formula for the follwing?when strongly heated magnesium sulfide formed a yellow
If 9.57 moles of an ideal gas has a pressure of 2.81 atm, and a volume of 25.49 L, what is the temperature of the sample in degrees of Celsius
How to find the pH of a solution that is 4.2 x 10^-2 M in HClO4, and 4.9 x 10^-2 M in HCl? and.... a solution that is 1.03% HCl by mass
At pH 6.00 and pE 2.10, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
along with chemical shift arguments and resonance theory, assign all of the peaks in the 1H and 13C NMR spectra of 4-propoxybenzaldehyde. Briefly explain you reasoning.
The quadratic formula is used to solve for x in expressions taking the form of a quadratic equation: ax2 bx c = 0, Solve for x in the following expression using the quadratic formula
A compound that contains only C and H was burned in excess O2 to give CO2 and H2O. When 0.270 g of the compound was burned, the amount of CO2 formed reacted completely with 20.0 mL of 2.00 M NaOH solution according to the equation:
a turbine operates by the impact of a high velocity jet of steam against the turbine blades. The steam leaves the turbine at a lower velocity. For the turbine depicted, steam from a high pressure nozzle enters the air and strikes the blades of a t..
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