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A fragrance compound with molecular weight of 136 g/mol is to be added to an aqueous solution to form aconsumer product. A Henry's Law constant of 3.4 x10^4 kPakg/mol has been measured for this compound in water at 37 C. What mass of this compound must be added to 1 kg of water to form a mixture above which the vapor pressure (equilibrium partial pressure) of this fragrance is 2 Torr?
The frequency of electromagnetic radiation required to promote an electron from n=2 to n=4 in a Bohr hydrogen atom is
write this net ionic equation as a molecular equation showing allreactants and products as compounds. then rewrite this
nutritional tables give the potassium content of a standard apple as 159 mg. there are about 3 appleslb. how many
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
how much energy in kilojoules is required to convert 245 ml of diethyl ether at its boiling point from liquid to vapor
What is the equilibrium concentration of chloroacetic acid, HC2H2O2Cl, in a solution prepared by dissolving 0.0277 mol of HC2H2O2Cl in 1.00 L of water
If a pure R isomer has a specific rotation of -120.0 degrees, and a sample contains 81.0% of the R isomer and 19% of its enantiomer, what is the observed specific rotation of the mixture
alculate the volume of .7000 M NaOH required to convert all of the phosphoric acid to sodium dihydrogen phosphate. What is the concentration of the sodium dihydrogen phosphate in the final solution
assuming that a cube has a volume of3.7x10-19cm3 calculate the length of each edge of the cube. enter a number with the
What happens when the base solution was added to the acid solution but was not stirred while temperature measurements were made
Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).
A glass plate is 5 cm x 10 cm in size and is coated on one side with a 1 micrometer thick layer of Ag to make a mirror. What is the corresponding mass of the Ag layer and how many atoms comprise it
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