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1. Draw all the important resonance structures for the following ion showing all lone pairs of electrons, formal charges and double bonds. Show the electron flow by using arrows for full credit.
2. In the list provided CIRCLE all the functional groups present in the following molecule:
1o Alcohol
1o Alkyl halide
1o Amine
Ether
2o Alcohol
2oAlkyl halide
2o Amine
Ketone
3o Alcohol
3oAlkyl halide
3oAmine
Sulfide
Aldehyde
Alkyne
Carboxylic acid
Nitrite
Alkene
Amide
Ester
Thilol
Which is the anode and which is the cathode of a concentration cell Au/Au^3+ , where the Au^3+ is 0.89 M in one half cell, and 0.14 M in the other. What half reactions occur at each
Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range.
Provide a chemical equation for a reaction that could be used to form each ether, and provide reaction conditions that can be used to remove each protecting group.
What will be the direction of the reaction when the reactants and products have the following concentrations, CS2=0.14M, Cl2=).18 M,CCl4=0.28 M, and S2Cl2=0.20 M
The succession of steps which review the best method for the preparation of p-isopropylphenol from benzene is
For which elements (main group or transition) do the numbers of electrons in the outer or valence, shell correspond to the group number
The intial temp of the water is 19.0C and the final temp of the system is 25.1C. The heat loss to calorimeter is negligible. What is the mass of the water?
Determine the molar mass of a covalent compound to be about 220gmol-. In another experiment you establish that its empirical formula
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution. Ka(HCNO) = 2.0 x 10-4
One piece of copper jewelry at 108 degrees Celsius has exactly twice the mass of another piece, which is at 44 degrees Celsius. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the..
question the electrode of a ph meter is placed in a sample of urine and a reading of 7.9 is obtained. is the sample
The solubility product for Zn(OH)2 is 3.0*10^-16. The formation constant for the hydroxo complex, Zn(OH)4^2- is 4.6*10^17. What is the minimum concentration of OH- required to dissolve 2.0×10-2 mol of Zn(OH)2 in a liter of solution
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