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Explain five observations which suggest that benzene should not be classed with the alkenes, however rather as a member of a separate class of "aromatic" compound, although the fact that its formula is often shown with three double bonds. In each case contrast the observation for benzene with that for an alkene (not a specificalkene). Be careful with the word observation. It explains something that can be measured or appreciated directly or indirectly by the senses rather than the intellect.
When a 23.7 mL sample of a 0.362 M aqueous nitrous acid solution is titrated with a 0.310 M aqueous potassium hydroxide solution, what is the pH after 41.5 mL of potassium hydroxide have been added
Calculate the delta G of a reaction at T=25 degrees C that has an equilibrium constant (K) of .56. Is the delta G value negative, positive
a sample of neon to escape from a hole in a container, how long would it take for an equal amount of nitrogen gas, N2, to escape
Electrolysis of a solution containing an unknown metal ion with a +3 charge deposited 0.159 g of the metal on the cathode over a period of 2.00 minutes at a constant current of 2.00 A. What is the molecular weight of the unknown.
Water is placed into a calorimeter. when 1 gram of an ionic solid is added, the temperature of the solution increases from 21.5 C to 24.2 C as the solid dissolves.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When carbonic acid decomposes, water and carbon dioxide are formed.
Find the neergy of a photon of ultraviolet light whose frequency is 2 x 10^16 Hz. Do the same for the photon of radio waves
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
When too much H2CO3 is in the blood, the enzyme carbonic anhydrase catalyzes the conversion of carbonic acid, H2CO3, to carbon dioxide, CO2, and water, H2O.
What is the cell potential when the solutions are altered, so [Ag+] = 1.25 M and [Cu+]= 0.25M
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
Give the expected ground-state electron configurations for atoms with the following atomic numbers. Z=55
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