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Problem- What is the solubility product of Mg(OH)2 in 0.05M NaCl if the activity coefficients for the ions in solution are as follows: Na = 0.82, Cl = 0.81, Mg =0.52 and OH = 0.81. The Ksp for Mg(OH)2 in pure water is 7.1 x 10^-12
Any expert is able to provide answer for this problem in very short time
Dissolving 4.69g of an impure sample of calcium carbonate in hydrochloric acid produced 1.07 L of carbon dioxide (measured at 20.0 degrees Celcius and 737mmHg). Calculate the percent by mass of calcium carbonate in the sample.
Describe how the results from this control experiment would be incorporated into the data analysis to the correct for this error.
Calculate the absolute error and relative error for each measurement made by the glucose monitor
A protein with two identical subunits can habitually be rotated 180 degrees halfway around its axis so as to generate an identical structure such a protein is said to have rotational symmetry. Why is it not probable for a protein to have mirrors s..
Although the use of absorbances at 450 nm provided you with maximum sensitivity, the absorbaces at, say, 400 nm or 500 nm are not zero and could have been used throughout this experiment. would the same value of K be obtained at one of these wavel..
An electron in the n=1 Bohr orbit has the kinetic energy K1. In terms of K1, what is the kinetic energy of an electron in the n=2 Bohr orbit
the chemical commodity is described on the relevant shipping paper as follows 5 lb rq compressed gas flammable toxic
A reaction is followed and found to have a rate constant of 3.36 x 10^4 M-1S-1 at 344 K and a rate constant of 7.69 M-1s-1 at 219K. Determine the activation energy for this reaction"
Problem- Calculate the energy of a electron transition from the 1s-orbital to 2p-orbital in a H atom and compare them to the corresponding energy of an electron transition from "1s-like" to "2p-like" bound to positron(a pair of electron-positron)..
Calculate the resulting discharge temperature and the required horsepower for one stage compression of the following gas properties. Construct a plot of such discharge temperature and required horsepower versus one stage compression ratios of 2, 3..
with a density of 3.00 g/mL is mixed with a 50.0 mL sample of a pure liquid, liquid B with a density of 2.00 g/mL. What is the total volume of the mixture
when 1.50g of ba is added to 100g of water in a container open tothe atmosphere the reaction shown below occurs and the
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