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A equimolar mixture of H2 and D2 effuses through an orifice at a certain temperature. Calculate the composition in mole fraction of the gas that passes through the orifice?
How do intermolecular attractions influence the solubility of a solute in a particular solvent
Determine the iodide ion concentration (in molarity) in a solution containing 12.6 g CaI2 dissolved in 2750 mL of solution
why are we given a known and unknown hydrate. what is the point of having a known sample. why is it important. do scientists give is a more 'generic' name, if so, what would a scientist call the known
Explain from a micro and macro perspective what would happen and what might be observed when a bimetallic strip of aluminium and copper is heated from 27 degrees to 327 degrees?
Assume the proton-proton coupling constants for diethyl ether is 10 Hz. Draw the splitting trees for each of the multiplets in the spectrum(there are two, one triplet and one quartet).
When the electrons return to the ground state, they lose the excess energy in the form of 640 nm photons. What is the energy gap between the ground state and excited state in the laser material? answer is in J i was absent in class and my test is ..
In the pie chart graphs the percent natural abundance fo ci-35 (atomic mass 34.969) is represented as grean, and the percent natural abundance for cl-37 atomic mass 36.966 amu is represented as yellow.
The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 507-mm column of di-n-butyl phthalate
Calculate O's aqueous solubility in surface waters of this lake. B.) Will the amount of O2 produced by photosynthesis cause O2's aqueous solubility to be exceeded in 1L of this lake water
A reaction has a standard free-energy change of -14.00 kJ mol-1 (-3.346 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.
write an equation that shows the formation of the chloride ion from a neutral chlorine
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy released by the formation of water from H2 and O2 into electrical energy. Determine the quantity of electrical energy obtained from converting 1 mole of H2 into H..
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