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What is the formal charge on the sulfur atom in the resonancestructure of SO2 that has one single bond and one doublebond?
The ratio of the number of atoms of the isotopes Ga-69 and Ga-71 in eight samples from different sources was measured in an effort to understand differences in reported values of the atomic mass of gallium.
Consider hte boiling of a liquid such as water in a frictionless piston and cylinder device computer the work obtained from the psiton when 1 kg of liquid water is vaporized to steam at 100 degrees C
How many minutes would a solution of Cd2+ have to be electrolyzed with a 2.420 A current to plate out 1.77 g of Cd? min
Consider the following pair of nucleophiles in CH3OH. Which, a: F- or b: N3- is the better nucleophile. Consider the following pair of nucleophiles in CH3OH. Which, a: CH3S- or b: H2O is the better nucleophile
The element mercury, chemical symbol Hg, has an atomic number of 80. How many protons, electrons and neutrons does an atom of Mercury contain
What reaction occurs with water. Calculate the pH of a 0.10 M solution of NaHSO4. If solid Na2CO3 is added to the solution of NaHSO4, what reaction occurs between the CO3- and HSO4- ions
What is the synthesis for the following compunds from simple organic precursors? Important Using original syntheses, not from published works.
Intermolecular interactions can be classed as either: strong, moderate, or weak. Give two examples for each class and give approximate values for the magnitude
What explanation can you give as to why a dilute aqueous solution of PtCl42- is pale yellow to colorless, but a concentrated solution is deep red
What is the most appropriate temperature for storing your protein between purification steps? a) Room temperature b) 4° C c) -20° C d) -80° C
why conceptually does the ground state for the particle in the box model correspond to n1 while for the harmonic
In plating the Zn onto the nail, it required 3.0v. If you were plating Ag onto the nail, do you think that 3.0v will work? If not, should the Ecell be higher or lower. Explain.
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