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For many UV-Vis instruments, beer's law starts to break down with absorbance (A) greater than 1. What is the percentage of light absorbed by a sample for this value of A?
Calculate the degree of dissociation (he fraction of molecules dissociated) for the acid in this solution. (You may assume that the mean ionic activity coefficient has a value of 1). (c) From the degree of dissociation, determine the acidity const..
At a certain temperature* (probably not 25 ºC), the solubility of silver sulfate, Ag2SO4, is 0.023 mol/L. Calculate its solubility product constant for this temperature.
list the different types on intermolecular forces in the following
A hydrogen atom initially in the n=7 quantum state emits a photon having a wavelength of 2.16495E-6 m. What is the quantum number of the final state of the atom?
when heated to a high temperature cyclobutane c4h8 decomposes to ethylene.c4h8g 2 c2h4gthe activation energy ea for
Write net Bronsted equations that show the acidic or basic nature of the following substances, given the pH. For polyprotic acids, only show one proton transfer. Remember that spectator ions are not included.
Compute the molarity of NaOH from a titration that contained 0.5156 g of KHP and 29.35mL of 0.1 M solution of NaOH used.
The heat of fusion of thallium is 21 j/g, and its heat of vaporation is 795j/g. The melting anf boiling points are 304 degress celcius. The specific heat of liquid thallium is 0.13 j/g*c.
Grignard reagent made from magnesium and 1-chloro-2-methylpropane with lables charges on the C-Mg bond
A buffer contains 0.16 mol of propionic acid (C2H5COOH) and 0.13 mol of sodium propionate (C2H5COONa) in 1.20 L.
Describe heredity and how it works in mice with use of these words, genotype, allele, dominant and recessive
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K.
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