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1. Consider treating polyenes, ethylene, butadiene, hexatriene etc., with the one-dimensional particle-in-the-box model. What length polyene that is number of C atoms is required to absorb light in the red region of the spectrum? Explain how does that compare with the conjugated portion of carotene?
2. Again utilizing the particle-in-the-box problem, predict in eV the first IP and electron affinity of hexatriene. Explain what temperature would be needed to achieve 10% population of the normally lowest unoccupied molecular orbital (LUMO)?
3. Consider an electron in one, two and three dimensional boxes with a side of 4 A. Explain how does the zero-point energy vary with increasing dimension?
The dimerization of ClO is second order in ClO. Use the following data to determine the value of k and the half-life at 350 K
element symbols and chemical formulas.1.write chemical formulas for the following compounds.a. ethyl alcohol which
If 3.00 moles of ZnS are combined with 4.00 moles of O2, how many moles of ZnO can be produced?
How much silver was there in the solution if all the silver was removed as Ag metal by electrolysis for 0.32 hour with a current of 1.20 mA (1 mA = 10-3 A)
If the pH of a solution is more than the pKa of an acid dissolved in it, is more of the acid in the protonated form or deprotonaqted form
how many cubic meters of milk are in 1.64 quarts?if a storage container has dimensions of 11.6ft x 9.8ft x16.2 ft and
if 4.3 ml of benzaldehyde are mixed with 1.6 ml of acetone, then calculate the theoretcial yield of dibenzalacetone in grams
a volume of 60.0 ml of aqueous potassium hydroxide koh was titrated against a standard solution of sulfuric acid
Use the oxidation-number method to balance the following net ionic redox equation.
four different solutions containing bases are shown below. What are the relative strengths of the bases shown in I-IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
laundry bleach is a solution of hypochlorus acid hclo. to determine the hclo content of bleach an aqueous sulfide salt
The distinctive odor of vinegar is due to acetic acid,CH3COOH , which reacts with sodium hydroxide in the following fashion: CH3COOH(aq)+ NaOH(aq)--> H2O(l)+NaC2H3O2(aq)
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