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The Ksp of HgS is around 10^-54. How many liters of water should it take to dissolve one molecule of this compound?
For the fractional distillation, a mixture hexane (b.p.=69) and toluene (b.p.=110.6) is used. a. Sketch a temperature versus volume diagram. Would it be a negative slope because the more volume of a substance you gave the higher bp
a nonelectrolyte compound nbspof 33.8 g is dissolved in 160.0 grams of a solvent that has a normal freezing point 27.7
Calculate the radiation dosage (in grays) for an 85-kg person that is exposed for 7.0 seconds to a 3.0 Ci source of beta radiation. Assume that 100% of the radiation is absorbed and each beta particle has an energy of 1.7× 10-13 J.
Calculate the number of moles of ammonia absorbed by a boric acid solution if 3.25 ml of 0.0025 M H2SO4 were needed to titrate the solution to the end point ( Assume both hydrogens of the sulfuric acid react.)
if oxygen gas were collected over water at 22 c and the total pressure of the wet gas were 650 mm hg what would be the
The reaction of calcium oxide with the pollutant, sulfur trioxide, to produce calcium sulfate has been proposed as one way to remove the the SO3 from the smoke resulting from burning high sulfur coal (as in a power plant).
a sample of ironii sulfate was heated in an evacuated container to 920 k where the following reactions occurred. 2
Nylon is a synthetic polymer made up of amide linkages formed when a diacid condenses with a diamine. The different types of nylons are identified by the number of carbons possessed in the diamine
gas evolution frequency is observed during the seperatory funnel extractions in this experiment. What is the identity of this gas and how is it formed?
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
An organic material is extracted from water. The separatory funnel containins 10 mL of ether and 20 mL of water. Considering that the K (partition coefficient) value is 3.2,
Rank the following nitrogen compounds in order of decreasing oxidation number for nitrogen. Rank from highest to lowest oxidation states. N2,NO2,NO2-,NH3,NO^-3,NO
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