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The particle in a one dimensional box is sometimes utilized as a model for pi electrons in a conjugated bond system.
b) The molecule has 4 pi electrons. Presume that 2 are in the n=1 state and 2 are in the n=3 state. Determine the frequency and wavelength of the light absorbed if an electron makes a transition from the n=3 to n=4 state?
Calculate the initial concentration of iodide ion after the solutions in tubes A and B are mixed (before the reaction begins).
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Isothermal Pressure Increase Prediction, Estimate the pressure increase needed to decrease isothermally by 1% the volume of
If cargo is added so that the ship now sits 20' in the water, how many pounds of cargo was added? Please explain how come to the answer. The answer is suppose to be around 28,000 tons.
If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature
The vapor pressure of water at 20degrees Celcius is 17.5 mmHg. What is the vapor pressure of water over a solution prepared from 2.00x10^2g of sucrose(C12H22O11) and 3.50x10^2g water
If 0.327 moles of H2S effuses in 462 seconds, how many seconds would it take for the same number of moles of CH3Cl to effuse?
the activation energy ea is 128.2 kjmol for a reaction. calculate the fraction of collisions that would beenergetic
the reaction 2nog cl2g ltgt 2nocl g is allowed to reach equilibrium in a 1.00 l vessel at 500.0 k. at equilibrium the
All of the following are balanced equations. State the number of atoms of each element in the reactant and in the products. a) 2N2(g)+3O2(g)--->2N2O3(g); b)Al2O3(s)+6HCl(aq)--->2AlCl3(aq)+3H2O(l); c) C5H12(l)+8O2(g)--->5CO2(g)+6H2O(g).
Calcium hydroxide dissolves in water to the extent of 1.04 g/L. What is the value of Ksp for Ca(OH)2
The dipole moment (mu) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the HBr bond in picometers.
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