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State the resonance structure of the most stable carbocation intermediate possible that results from step 2 of an electrophilicaromatic substitution reaction when tert-butylbenzeneencounters bromine in the presence of iron(III) bromide.
Draw the structure of the unbranched isomer of C5H11Br that is most reactive in an SN2 reaction.
Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and nitric acid, HNO3, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound
When 33.4 mg of a compound is dissolved in 10.0 ml of water at 25 C the solution has an osmotic pressure of 558 torr. Calculate the molar mass of the compound.
A sample of air contains 76.50% nitrogen, 22.70% oxygen, 0.05% carbon dioxide, and 0.75% argon, by volume. How many molecules of each gas are present in 1.00 L of the sample at 25°C and 1.00 atm
Halogens are added to alkenes with anti-stereochemistry through the halonium ion mechanism. However, when 1 phenylcyclohexe reacts with chlorine in CCl4, a mixture of cis and trans isomers of products is obtained. Outline a mechanism to explain th..
Determine the molarity of a solution prepared by dissolving 4.50 mol of NH4Cl in sufficient water to make 2.00 L of solution.
A common industrial unit for articulating the concentration of hydrogen peroxide is to state the relative volume of oxygen gas at 0 C and 1 atm, produced per volume of hydrogen peroxide solution that decomposes.
If a cylinder of NO has a volume of 20.00L and a pressure of 26.98 atm at 20 degrees Celcius, what is the mole fraction of NO knowing that there are 21.55moles of Nitrogen?
a chloroform solution of caffeine c8h10n4o2 contains concentration of 0.0868 m . compute mole fraction of
A solution may contain the following ions Ag+, Cu2+, Cd2+, Mn2+, Ni2+, and Na=. A white precipitate formed when 0.10 M NaCl was added and after this was removed the solution was treated with H2S gas under acidic conditions and no precipitate forme..
Cl2(g) + F2(g) 2 ClF(g) Kc = 19.9 For the reaction forming ClF the initial concentrations are as follows: [Cl2] = 0.5 M ; [F2] = 0.2 M ; [ClF] = 7.3 M Is the reaction at equilibrium? If not, in which direction with the reaction shift to reach eq..
What each test reveals about an unknown halide ion? Suggest another test which would confirm that identity. Addition of Cl2 and CH2Cl2 to an aqueous solution of an unknown halide ion led to a dark CH2Cl2 layer.
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