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which molecular species listed would be necessary for the formation of pentanol from the reaction of 4-methyl-2-pentene with sulfuric acid and water as the solvent? a)primary carbocation b)tertiary carbocation c)primary carbanion d)secondary carbanion e)SO4=
For each of the following three questions 25.0 mL of 0.100 M pyridine (Kb = 1.70 x 10-9) is titrated with 0.100 M HCl. For each question calculate the pH of the final solution after the indicated amount of HCl has been added. That is, treat each q..
Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: ammonia, NH3; hydrogen sulfide, HS- ; hypochlorite ion, ClO-
The rate constant of a reaction is 2.75*10^-5 L/mol*s at 195 c and 3.75*10^-3 L/mol*s at 258 c. What is the activation energy of the reaction
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount from pure gasoline.
A 0.9760-g sample of potassium acid phthalate required 44.00 mL of barium hydroxide solution for titration. How do you calculate the molar concentration of the barium hydroxide.
Provide the structure of an aromatic compound with seven carbon atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds)
A solution containing 10g of a non-ionic compound in 90g water has a freezing point of -3.33 degrees C. Given that Kf = 1.86 degrees C/m for water
A dark glass bottle of chemicals is found in cleaning out an old basement. Part of the label has been eaten away with age. Only the last part of the label is readable
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
A gas expands and does P-V work on the surroundings equal to 321 J. At the same time, it absorbs 189 J of heat from the surroundings. Calculate the change in energy of the gas in J.
determine both the position and velocity (momentum) of an atom or subatomic particle such as an electron and thus negate the uncertainty principle? Fully explain your answer.
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