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Cycloheptatrienyl cation(a) How many resonance structures are there for the cyclohepatrienyl cation? Draw them.
(b) Are carbon-carbon bonds equivalent?
(c) How many peaks would you expect to see in the 1H NMR as well as the 13C NMR spectra of this cation?
(d) Use the Frost Circle to draw the energy levels of the Pi molecular orbitals for this ion, show the electronic configuration and explain why the ion is aromatic.
(e) Does it obey the Huckel rule?
Determine what would be the total ?nal pressure of the system in atmospheres If we completely hydrolyzed 0.18 kg of H2O in a 8.2 L container at 300 K?
Determine How much sodium hydroxide (in grams) is required to form 546 mL of solution with a pH of 10.00?
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
If equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield.
Determine the limiting reactant -reaction mixture initially contains no products
The valve between these Tanks X and Y is opened and the gases are permissible to mix. After the gases have had time to mix, calculate the partial pressure of the oxygen gas?
Why Do I Require More CaCO3 to Raise pH than Predicted? If you can remember back to a discussion and inquiry we exchanged last week concerning the use of sodium carbonate vs. calcium carbonate
Krypton crystallizes as a fcc (face centered cubic unit cell) having an edge length of 559 pm. What is the density of solid Krypton?
Compound X is a miracle drug used to cure every sneeze and sniffle. It is very expensive though and customers complain it doesn't always work as well as it should.
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
for 1st order problem, at 298k the rate is 3.8X10^-6M/s, and at 350k the rate is 4.2X10^-5 M/s. What is the half life at 360k?
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass.
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