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Which element (sulfur or oxygen) would you expect platinum, mercury, iron, and zinc halides to coordinate with in DMSO?
An electron is confined to a one dimensional box of length L. It falls from the second energy level to the ground state, and releasee a photon with a wavelength of 322 nm
At 80 deg. Celsius the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of the solution containing one mole of X, three moles of Y, and two moles of Z for boiling to..
in the course of research a chemist isolates a new compound with an empirical formula c3h3o2. 2.51 g of the compound
What mass of Mg(OH)2 will be formed, and what will be the concentration of the ions in the solution of after the reaction complete
A solution is prepared by dissolving 396 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Aluminum reacts with oxygen gas in a combination reaction to produce aluminum oxide. How many moles of oxygen gas are needed to react with 1.64 moles of aluminum
Draw N-ethyl-3-methylpentanamide. Draw your structural formula with all necessary hydrogen atoms.
Using the volume of solvent calculated in question 1, calculate how much sulfanilamide will remain dissolved in the mother liquor after the mixture is cooled to 0 Degree C. Solubility of sulfanilamide at 0 degree C is 14mg/ml in 95% ethanol.
A sample of argon gas occupies a certain volume at 14 degrees C. At what temperature would the volume of the gas be three times as big? Assume the pressure stays constant.
During the preparation of a solution, a solute is dissolved in a volume of solvent smaller than the desired volume of solution. Subsequently, solvent is added until the final volume of solution is reached
granite rock has a specific heat capacity of 0.80 jmiddotdegc-1middotg-1. a 15 g rock was warmed by 202 j of energy
Calculate the density of a solution of benzene and toluene mixed at 1:1 weight ratio at 20 degree C and 1 atm, given that ?(benzene) = 0.8790 g/cm^3 and ?(toluene) = 0.8668 g/cm^3 at 20 degree C and 1 atm.
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