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how to interpret hnmr spectra of 1-naphthol, why are the signals that occur more upfeild occuring more up feild. and likewise why are the signals occuring more downfield occuring downfield? How to interpret it step by step?
the approximate equivalence point of a ph meter titration before before carrying out the ph titration
A certain substance has a heat of vaporization of 69.66 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.50 times higher than
Hydrofluoric acid dissociates in water as represented by the above equation With Ka = 7.2 * 10^-4
An organic compound is quite polar and is thus much more soluble in methanol than in pentane (bp 36 degree C). Why would methanol
For weak acid, HX, Ka = 1.0 10^-6. Calculate the pH of a 0.82 M solution of HX.
Dry the hydrate as instructed in the lab procedure, noting down it's mass until it appears to no longer decrease (no more water bound in the sample).
Draw the chemical structure of an aldohexopyranose and a ketohexofuranose.
How many grams of solid magnesium nitrate should be added to 5.0 g of solid sodium nitrate in a 500-mL volumetric flask in order to produce an aqueous 0.25 M solution of NO3
aliquot of the HCl solution required 13.98 mL of 0.08485 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.08 mL. Balance the reaction below and determine the percent WO3 in the ceramic sample.
The heat of vaporization of liquid nitrogen is determined by measuring the change in temperature of a known sample of warm water when liquid nitrogen is added.
A generic salt, AB, has a molar mass of 243 g/mol and a solubility of 8.90 g/L at 25 C what is the Ksp of this salt
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
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