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Problem- What is the mol% of Pd used in this reaction? (ex: 5% mol% catalyst means that the reaction uses 5% as much catalyst as limiting reactant)
I dissolved .179 grams of 1-methyl-4-bromobenzene to 5 mL ethanol. I added .155 g 4-methoxyphenylboronic acid. I rinsed the vial with 2 mL ethanol and added the washings to the reaction mixture, followed by Pd solution (200 microliters, 1.0 mg/mol Pd in water). I stirred for 1 minute and then added 1 mL of KOH.
State your answer by means of two significant figures.
Draw the structure resulting from a reaction of osmium tetroxide (OsO4) and hydrogen peroxide (H2O2) with the following alkene. If one stereogenic center is formed, draw a single specific enantiomer. If more than one stereogenic center is formed, ..
Given that the ionizable H atoms are associated with carboxyl groups, draw a plausible structure for maleic acid.
a calcium supplement is being analyzed for calcium by gravimetric analysis. the initial mass of the tablet used was
A solution is made that is 1.5*10^-3 M in Zn(NO3)2 and 0.130 M in NH3. After the solution reaches equilibrium, what concentration of Zn^2+(aq) remains
The normal boiling point of chloroform is 61.70 degrees Celsius and Kbp for chloroform is +3.63 degrees Celsius/m.
A plane wall is constructed of a material having a thermal conductivity that varies with the square of the temperature according to the relation k=k0(1+βT2). Derive an expression for the heat transfer in such a wall.
The original molarity of a solution of formic acid with a Ka of 1.7x10^-4. Its pH is 4.52 at equilibrium is _____ mol/L
If 20.0mL of 0.00200 M Fe(NO3)3 is diluted to 50.0mL, what is the concentration of Fe+3 in the diluted solution?
The decomposition of N2O5 in CCL4 is a first order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 degrees Celsius what is the value of the rate constant K?
If the temperature of the water in your reaction bowl is 23 C, what is the temperature of the hydrogen gas.
Explain what type of radiation, such as ultraviolet, visible, or infrared would be needed to cause ionization of the hydrogen atom. Briefly explain
A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0 half-lives
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