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What observed rotation is expected when a 1.06 M solution of (R)-2-butanol is mixed with an equal volume of a 0.530 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long? The specific rotation of (R)-2-butanol is -13.9 degrees mL g-1 dm-1.
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN
If you are given sodium acetate and asked to make a .5 M acetate buffer at pH 4.75, will you have to add acid, base, or nothing in order to achieve the proper pH? What is the approximate pH after adding the sodium acetate?
A cylinder of helium has a volume of 8.00 L. The pressure of the gas is 388 lb in-2 at 25C. What volume will the helium occupy at standard atmospheric pressure (14.7 lb in-2) assuming there is no temperature change?
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
if the density of water at 25.2 degree celcius is 0.997962 g/cm^3, what is the volume of liquid in mL whose mass is 20.762 g?
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
A beaker with 1.30×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M .
What precautions or what type of actions should the EH&S or FS professionals take when faced with a situation involving polychlorinated biphenyls (PCB's.)?
Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range.
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g) Calculate the equilibrium concentrations of reactant and products
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