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The He I (21.22 eV) photoelectron spectrum of a molecule shows three sharp peaks corresponding to photoelectron kinetic energies of 1.64 eV, 5.81 eV and 9.71 eV. What is the lowest ionization energy of the molecule?
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
a spheroidal bacterium with a diameter of 1micromolemole contains four molecules of a particular protein. what is the
Using the volumes of sodium thiosulfate solution you just entered and the molarity of the potassium iodate primary standard solution, calculate the molarity of the sodium thiosulfate secondary standard solution for each trial.
1.what key metabolic substance is formed directly from catabolism of all three major classes of foods carbohydrates
Compare the IR spectra of cinnamyl alcohol and cinnamaldehyde. What is the major difference
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
sodium borohydride reacts very slowly with ethanol to evolve a gas. write a balanaced equation for this
if 25.0 g of a solution of potassium iodide transparent and colourless and 15.0 g of a solution of lead nitrate
Draw electron-dot formula and determine the shape for each of the following: a) NH4^+; b) O2^2-; c) COCl2 (C is the central atom); d) BCl3.
One approach to the synthesis of virstatin is shown above. An SN2 reaction of an anionic imide nucleophile (formed by deprotonation of1) with an alkyl halide electrophile 2 affords virstatin ethyl ester 3 Base-inducedhydrolysis
an inert gas has a volume of 941 ml at temperature 28 oC and pressure 675 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
how many moles of no2 gas can be produced from 45.5 g of o2 gas in the following reaction? show your work in the answer
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