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What volume of gas has been released into the atmosphere if the final pressure in the cylinder is 1.80 x 105 Pa? A compressed cylinder of gas contains 1.50 x103 g of N2 gas at a pressur
What are the values of a and b in the corresponding van der Waal equation of state? Measurements on along gave B = -21.7 cm3mol-1 and C = 1200 cm 6 mol -2 for v
Determine the work that would be done if the same expansion occurred isothermally and reversibly when a sample of methane of mass 4.50g occupies 12.7 L at 310K.
Discuss how photochemical isomerization allows the production of the thermodynamically less stable cis isomer. Explain why is the trans isomer exclusively converted to the cis isomer during short re
Determine the molarity of a solution of 10% by the mass cadmium sulfate, CdSO4 (molar mass = 208.46g/mol) by mass when the density of the solution is 1.10g/ml.
Write down the equations to show nitronium ions might be produced using a mixture of nitric acid and sulfuric acids.Explain which ring of phenyl benzoate you would expect to undergo nitration more rea
Identify these compounds and give each a suitable name. When 1-octene is treated with NBS, three monobromo straight-chain alkenes having molecular formula C9H17Br are isolated from the reaction mixt
2,3-Dimethyl-2,3-butanediol (pinacol), upon heating in aqueous acid, rearranges to form 3,3-dimethyl-2-butanone(pinacolone). Suggest a mechanism for this reaction.
A sample which is having 1.547-g of blue copper (II) sulfate penta hydrate, CuSO4 * 5 H2O is heated carefully to drive off the water. The white crystals of CuSO4 that are left behind have a
Determine the boiling point of an aqueous solution of anon electrolyte that has an osmotic pressure of 10.50 atm at 25oC? Kb of water is0.52oC/m. Suppose the density of the solution is th
Calculate the freezing point of an aqueous solution of a non volatile solute that has a boiling point of 102.5oC? For waterKf = 1.86oC/m and Kb =0.52oC/m.
Determine the amount of sodium hydroxide required (in grams) to make the 250 mL of a 0.3 M NaOH solution. (Numerical answer not text)
Determine (a)the volume occupied by 8.2 m mol of the gas under these conditions and (b) an approximate value of the second virial coefficent B at 300 K, at 300 K & 20 atm, the compression facto
Determine the Henry's Law constant in mol/Latm, at 10 degrees Celsius one volume of water dissolves 3.10 volumes of chlorine gas at 1.00 atm pressure.
Explain why do the coloring matters of tea not persist in purified caffeine? Calculate the purpose of adding calcium chloride to dichloride methane after extracting?
The same container filled with carbon dioxide at STP has a mass of37.440 g. A gas cylinder filled with nitrogen at STP has a mass of 37.289 g. When filled with an unknown gas at STP, the container m
What volume would the gas occupy if it were allowed to escape into a balloon at a pressure of 110 kPa? A cylinder of compressed gas has a volume of 3.85 L and a pressure of 463 kPa. A
The cylinder is heated, and a piston moves in the cylinder so that constant pressure is maintained. If the final volume of the gas in the cylinder is 8.50L. A cylinder contains 6.94L of a g
By separately shining a laser at 450 nm a photoelectric experiment was performed and a laser at 560 nm on a clean metal surface and determining the number and kinetic energy of the ejected electrons
A solution is prepared by dissolving the 4.2 mg of CuCl2 to 50.0 mL of Water. The solution has an absorbance of 0.336 in a 1.00 cell.
A mixture contains only NaCl and Fe(NO3)3. A 0.456g sample of the mixture is dissolved in water, and an excess of NaOH is added, producing a precipitate of Fe(OH)3. The precipitate is filtered, drie
Explain the mass percent of water in the sample is? Explain what mass of the given hydrate must be heated to obtain the 10.50 g of NiCl2.
Determine the force needed to stretch the c-h bond by the 0.2amstrongs.The C-H bond (harmonic oscillator) vibration frequency is 9*10^13 hz
determine the numbers of moles of MgCl2 are produced by the reaction of 2.76 moles of Mg with excess the TiCl4?
Determine the percent by mass of the hydrate in the mixture when a 1.543 g sample of a mixture of BaCl2 * 2H2O and NaCl was heated until a constant weight has been reached. The dehydrate sample t