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The conjugated system of a retinal consists of 11 carbons atoms and one oxygen atom. In the ground state of retinal. each level up to n=6 is occupied by 2 electrons. assuming an average internuclear distance of 140pm. A) The separation in energy between the ground state and the first excited state in which one electron occupies the state with n=7 and (B) the frequency of the radiation required to produce a transition between these two states.
The question is a slab of steel measures 1.01m x 3.72m x 11.1cm. Steel has a density of 7.86g/cm^3. What is the mass of the slab of steel?
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2 (g) + 3H2(g) >> 2NH3(g)
Consider an amphoteric hydroxide, M(OH)2(s), where M is a generic metal. M(OH)2 --> M^(2+0 +2OH^(-) Ksp= 5x10^(-16) M(OH)2 +2OH^(-) --> M(OH)4^(2-) Kf= 0.07. Estimate the solubility of M(OH)2 in a solution buffered at pH = 7.0, 10.0, and 14.0.
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
How many millimeters of 0.0700 M EDTA are required to react with 50.0 mL of 0.0140 M Cu2+?, b) With 50.0 mL of 0.0140 M Sc3+?
Nitromethane has a relatively high boiling point of around 100 c. Which of the following intermolecular force is not present in pure liquid nitromethane and why.
How many grams of PBI2 will precipatate by the addition of excess KI solution to 50.00 mL of 1.22 M Pb(N03)2
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.
Determine end value of n in a hydrogen atom if the electron starts in n=4 and atom emits wavelength of 486nm.
What is the energy change when the temperature of 12.3 grams of solid tin is decreased from 38.1 C to 24.7 C
Determine the solubility product constant for silver fluoride at this temperature. It is not what is listed on the chart on page 773 because that chart is only for use at 25 deg C.
the equilibrium partial pressure for the reaction 2NO2(g)--> N2O4(g) are 0.0686 atm for NO2(g) and 1.250 atm for N2O4(g).
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