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When 1.25 moles of Br2 are out in a 0.940-l flask, 3.10 percent of the Br2 undergoes dissociation. Calculate the equilibrium constant Kc for the reaction.
Compute the reactor volume and space time to get 90% conversion in a PFR and in a CSTR
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.
Consider three different compounds of the hypothetical element X using the table of bond lenghts as a reference, rank the three compounds shown below in order of increasing
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe?
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
500.0 g of ammonia react with 51.0 moles of sulfuric acid to produce ammonium sulfate. How many moles of excess sulfuric acid are left over after the reaction is complete?
A bottle containing 335 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH?
A 15.0 gram sample of chromic acid is dissolved in enough water to produce 275 mL of solution. The concentration of the solution is ?
Compute the number of moles of sodium hydroxide ( NaOH ) in 23.75cm 3 of 0.150moldm -3
Explain how mass effects act to lower the carbonyl frequency, as well as how inductive and hyperconjugation effects act to raise the carbonyl frequency of aldehydes relative to ketones.
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