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what is the difference of the KBR specrtum in % transmittance and absorbance. and btw wavenumber and wavelength. how can i compare these spectrum
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
What structural similarities exist between indigo, tyrian purple, alizarin, picric acid, and the main component of mauveine? The compounds beta-carotene and crocetin are not listed as part of this group
Calculate the molarity of a solution of glycerol made by dissolving 69.000 mL glycerol at 15 degrees C in enough water to make 260.00 mL of solution
Sodium peroxide (Na2O2) reacts with water to form sodium hydroxide and oxygen gas. Write a balanced equation for this reaction and determine how much oxygen (in grams) is formed by the complete reaction of 35.23g of Na2O2.
A sample of a refrigeration gas in a volume of 410 mL, at a pressure of 1.26 atm, and at a temperature of 11.0 °C, was compressed into a volume of 172 mL with a pressure
A 5.00 mL standard phosphate solution containing 45.0 mg of phosphate per liter is added to a second 2.00 mL sample and diluted to 100.0 mL. The absorbance of this solution is 0.506 at 700 nm. Calculate the concentration of phosphate in the origin..
Examine the nuclide neptunium-237. The nuclide has a measured nuclear mass of 237.048166 amu. Determine the binding enery in kj, kj/mole
Aldol condensation: why must aldehyde contain none of corresponding acid? In the aldol condensation with benzaldehyde + acetone (NaOH, ethanol) --> dibenzalacetone
which gas sample contains the largest number of mole?
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
calculate delta G foor the combustion of ethane: 2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(l)
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