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Analyze the extraction of the salicylic acid-naphthalene mixture by using two solvents: saturated aqueous sodium bicarbonate and water?
Analyze the sublimation of the crude naphthalene?
Analyze the recrystallization of crude the salicylic acid?
Compute the mass defect as well as nuclear binding energy per nucleon of the each of the nuclides indicated below. V-51 (atomic mass = 50.94396 amu)
A 100.0 mL glass tube contains 55.7 mtorr of gaseous iodine at 25 degrees celsius. What minimum amount of light energy must be absorbed by the iodine in the tube to dissociate 15.0% of the molecules
How many simabonds are there in a C60 molecule? 2. Which has stronger carbon-carbon bonds: graphite, diamond or C60? Please explain
How much heat is associated with the burning of 3.52 g of methane in the following unbalanced reaction-CH4(g) + O2(g) ?CO2(g) + H2O(g)
2) What is the maximum size of airbag (in litres) that can be inflated using 100 g of NaN3 at 25.0 °C and 101 kPa? Assume that all of the chemical reactions that occur during inflation of the airbag are complete.
Calculate the fraction of the total enzyme active sites in solution that would be in the active form at pH 7.2.
How many grams of potassium chlorate decompose to potassium chloride and 510. mL of O2 at 128°C and 652 torr?
An equilibrium mixture contains {\rm{N}}_2 {\rm{O}}_4, (P = 0.27 atm) and {\rm{NO}}_2 (P = 1.2 atm) at 350 {\rm K}. The volume of the container is doubled at constant temperature.
compressed gas cylinder contains 1.00 x 10^3 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18 C.
Write out the periodic table box for carbon as well as the electron configuration and orbital diagram for carbon. Draw the atom.
134 mole of KCl and .167 mole of CaCl2 were dissolved in water. What is the total number of Cl ions in the solution?
Assuming the volume of the stomach to be 1.0L, what will be the pH change of the stomach acid resulting from the ingestion of one Tums ultra 1000 tablet that contains 1000mg of calcium carbonate.
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