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Predict whether each of the following groups will be o,p-, or m-directors in electrophilic aromatic substitution reactions:
SCH3
N(Double bond)O
C(Double bond O above C) CH3
S(double bonded O's above and below S)CH3
Cool to the final temp at constant volume and then expand to the final pressure at constant temperature. Calculate the work done for each path.
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
The butylammonium ion, C4H9NH3^(+), has a Ka of 2.3x10^(-11) C4H9NH3^(+) + H2O > H3O^(+) + C4H9NH2 A. Calculate Kb for the conjugate base, C4H9NH2 B. What is the pH of a 0.015M solution of butylammonium chloride
Calculate the average O-F bond energy given the following average bond energies: O=O 498 kJ/mol F-F 159 kJ/mol
Predict whether the following reactions will be spontaneous in acidic solution under standard conditions.
1) What type of intermediate is formed in the polymerization of styrene with butllithium? a) radical b) carbanion
Which one of the following reactions is a combination reaction. a. A + B -› AB b. AB + CD -› AD + CB c. HX + BOH -› BX + H2O d. A + BC -› B + AC e. AB -› A + B
If an aqueous solution containing Pb^2+ ions is electrolyzed using a current of 0.900 amps, calculate the mass of Pb(s) plated out after 50 minutes.
what is the concentration of an naoh solution that requires 50.0 ml of a 1.25 m h2so4 solution to neutralize 78.0 ml of
Give the structure of the organic product of the reaction of phenylacetaldehyde with the following.(give the names of the products).
Explain how the electron configuration of calcium can be determined by changes in I.E. (specifically, the large changes, for example between electron 18 and 19).
what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.
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