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The line marked A in Fig 13.41 is the fluorescene spectrum of benzophenone in solid solution in ethanol at low temperature observed when the sample is illuminated with 360nm light. What can be said about the vibrational energy levels of the cabonyl group in a) ground electronic stateb) its excited electronic states?
A 42.7 gm sample of SO 2 occupies 2.30L at 38.2 degrees Celcius. What pressure in atmospheres will the gas exert
to calculate approximately the ability of ibuprofen to move through different tissues in the body pharmacologists
If the end of the crutch is a circle of radius 1.2 cm without the tip, and the tip is a circle of radius 2.3 cm, by what factor does the tip reduce the pressure exerted by the crutch?
Description of Balanced equations, Identify the steps involved in the formation of these compounds. Show the removal of water and the reactant.
The compound produced when 1-hexene is reacted with sulfuric acid and water as the solvent is 2-hexanol. what kind of reaction would this be considered? a) 1,4 addition b)proceeds via a carbanion
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
A quantity of N2 is kept in a 12.8 L contianer at a temperature of 42 C and at pressure of 4.7 atm. how many grams of N2 are in the container?
If the energy required to break apart a mole of chlorine molecules is 243KJ, a photon of what frequency will break apart a single Cl2 molecuule. What is the wavelength of the photon
moles of H30+ or OH- must you add to 8.92 L of HA solution to adjust its pH from 4.34 to 5.09? assume a negligble volume change
Determine the arrangement of electron pairs about Se in the SeO2 molecule. What would you expect for the molecular geometry of the SeO2 molecule?
when a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter the
Derive an expression for the time dependence of the degree of polymerization for a stepwise polymerization in which the reaction is acid-catalysed by the -COOH acid functional group. The rate law is d[A]/dt = -kr[A]2[OH].
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