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Consider that a benzene molecule could fit nicely within a two-dimensional square box with each side having length of 5 degree A. a. Calculate the four lowest energy levels for an electron confined to the 5 degree A square box, i.e., for (nx, ny)=(1,1); (1,2) etc. in units of J. b. Using the 2-D electron box model to represent the molecular orbitals of the pi electrons , draw an energy diagram for the ground electronic state configuration of these pi electrons using the energy levels calculated above. (Remember Pauli exclusion principle)
what is the pressure in a gas containter that is connected to an open-end manometer if the pressure of the atmosphere is 722 torr and the level of mercury in the connected to the container is 8.60cm
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
Calculate the uncertainty in position. The function Ax(1-(x/a)) is an acceptable wave function for the particle in the one dimensional
What volume of methanol is formed if 3.11×1011 of methane at standard atmospheric pressure and 25 is oxidized to methanol
What is the boiling point of a solution made using 813g of sucrose, C12H22O11, in 0.275 kg of water,H2O.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 82% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9*10-12.]
A solution of sodium nitrate, NaNO3, in water is 5.181 molar and its density is 1.2680 g mL-1. Calculate the percent, by weight, of sodium nitrate in the solution.
Explain the following: a.) The cycloheptatrienyl anion is antiaromatic, whereas the cyclononatetraenyl anion is planar (in spite of the angle stain involved) and appears to be aromatic. b.) Although
A room contains 46 of air.How many kilowatt-hours of energy are necessary to heat the air in the house from 9 to 30? The heat capacity of air is 1.03.
A 380. mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
Lysine is an amino acid that is an essential part of nutrition but which is not synthesized by the human body.
Established in a container of 1.0 Litre at a temperature of 1,000 K, where K c = 4.0 ⋅ 10NH 3 (g) are present. Calculate What is the equilibrium concentration of H 2 (g).?
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