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Using molecular orbital analysis, predict which species of the following pairs would have the stronger bonding between the two atoms.
a) O2 or O2+
b) N2 or N2+
Why E2 is favored over SN2, Sn2 requires a strong nucleophile while E2 requires a strong base. But relatively compared if you have a very strong base the E2 is preferred. Why is it so?
Which statement about alcohols is not correct?
In the near future, the college will attempt to reduce the cost of chemicals used in campus laboratories. One option suggests the chemistry department use household chemicals instead of expensive laboratory grade materials were ever possible.
If this energy were used to vaporize water at 100.0 degrees, how much water (in liters) could be vaporized.
A certain first-order reaction has a rate constant of 3.40×10?3s^-1 . How long will it take for the reactant concentration to drop to 1/8 of its initial value
If the solubility of compound A in there at 0 degrees C is 2.0 g/100 mL and at 35 degrees C is 40.0 g/100 mL, how much ether would you use to recrystallize 20 g of A. What percent recovery would you expect.
a toothpaste contains 0.24 by mass sodium fluoride used to prevent dental caries and 0.30 by mass triclosan a
good primary standard for aqueous acid-base titrations. Calculate the mass, in grams, of KHP needed to produce 250. mL of a 1.50 M solution of KHP.
A formate buffer (pka = 3.75) is prepared by mixing 50 mL of a 4 M formic acid and 2 g of solid sodium hydroxide (MW= 40g/mol) in total volume of 1.0 L. A peptide with the amino acid sequence C-P=T-Y-R-L-D-Q (MW = 995.12 g/mol) is dissolved in thi..
What is the formula for the compound formed between germanium with a valency of (IV) and iodine
Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.
calculate the empirical formula for the bismuth oxide, 89.7% Bi and 10.3 O. and percent composition
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