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The diameter of the methyl radical is about 308 pm. What is the maximum rate constant in the expression d[C2H6]/dt = k[CH3]2 for secondorder recombination of radicals at room temperature? 10 per cent of a 1.0- dm3 sample of ethane at 298 K and 100 kPa is dissociated into methyl radicals. What is the minimum time for 90 per cent recombination?
chlorine gas can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid. how much
The other plate was placed in a chamber containing hexane, and after developed it showed two spots, one with an Rf value of 0.54 and one with an Rf value of 0.37. Explain how this occurred
Aspirin is an organic acid with formula C8H7COOH and molar mass 180.16171 g/mol. A 1.30 g tablet is titrated with 0.1500 M HCl and the endpoint is reached
Two isomeric compounds, A and B, are known to each have a monosubstituted benzene ring. Both have the formula C9H10O2 and both are insoluble in water. However, A dissolves in dilute aqueous NaOH, but B does not.
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Presume you had started with 3.25 moles of sodium hydrogen carbonate, Explain how many moles of sodium chloride would you expect to be formed
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
Explain what are the relative numbers of each of the monomer units in this polymer? Give the ratio of acrylonitrile: butadiene: styrene. Utilize the lowest possible coefficients.)
The following is a first order reaction with a rate constant of 2.98*10>-3s-1: SO2CL2>>>>SO2+CL2. What is the half life for the reaction?
An aqueous solution of 2.76 M ethanol has a density of 0.978 g/mL. What is the mass percent of ethanol
If a solution containing 46.46 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulfide, how many grams of solid precipitate will be formed?
The energy of a photo is 3.16 times 10^-19J. what is the wavelength of the corresponding light what is the color of this light
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