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2-Methylpentanal as well as 4-methyl-2-pentanone is constitutional isomers with a molecular formula C6H12O. Each illustrates a molecular ion peak at m/z 100. As well, spectrum a shows significant peaks at m/z 85, 58, 57, as well as 43 while spectrum B shows peaks at m/z 71, 58, and 29. Allocate each compound its correct spectrum and identify the structures of the ions accountable for producing each of the above-mentioned peaks in the corresponding mass spectra.
What is the pH of the buffer that results when 12.5 g of NaH2PO4 and 22.0 g Na2HPO4 are mixed and diluted with water to 0.500 L. The acid dissociation constants for phosphoric acid are
Which element is the central atom, explain how many bonds does the central atom form, is it polar or non-polar, define what the direction of negativity is
Explain the preparation of phenylmagnesium bromide from bromobenzene and magnesium metal is an instance of an oxidation-reduction reaction. Explain what is oxidized and what is reduced
What difference in titrant volume would you except between the end- point and the equivalence point if the only indicator available was diphenylamine sulfuric acid
when we perform the silver nitrate test.which five anions will combine with silver ion to form insoluble precipitates?
The first ionization energy of Bismuth is E_i1 = +703 kJ/mol. What is the longest possible wavelength of light that could ionize an atom of bismuth
Calculate Delta E for a system that absorbs 744.0 kJ of heat from its surroundings and does 277.0 kJ of work on its surroundings.
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
Calculate the molecular weight of a gaseous compound if 0.75 gram occupies a volume of 336 mL at STP
What is the mass of 8.00 1022 molecules of tetraphosphorus decaoxide? (b) How many P atoms are present in this sample?
At 0.0oC, if the volume of air is 2.9 mL and the pressure of the atmosphere that day is 675 mmHg, what is the number of moles of air?
If the cell potential is 0.061 V at 25?, what is the pH of the electrolyte at the hydrogen electrode
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