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Of Br2, Ne, HCl, HBr, N2 which is likely to have a) the largest intermolecular dispersion forces and why?
Is 2-methyl-2-propanamine (C4H11N) a primary amine, secondary amine, tertiary amine, or quaternary ammonium salt? 2) Is N-methyl-2-propanamine a primary amine
Calculate the pH at the equivalence point if 25.00 mL of 0.010 M barbituric acid (HC4H3N2O3) is titrated with 0.20 M NaOH. (Ka barbituric acid = 1.0 x 10^-5).
2KMnO4 + 10KI + 8H2SO4 ---> 6K2SO4 + 2MnSO4 + 5I2 + 8H20. How many moles of I2 are produced by reacting 28.0 g KMnO4, 18.0 g KI, and 46.0 g H2SO4
Calculate the vapor pressure of the solver over the solution at 25 degrees C. The vapor pressire of pure water at 25 degrees C is 23.8 mm Hg
a liver biopsy demonstrates cystathionine synthase and cystathionase levels are normal. this patient may have a deficiency of
The enthalpy change for the reaction A + 2B ? 3C, can be determined using the following equations: (1) 2Z + C ? X ?H = 15 kJ(2) 2B + 3X ? 3Z ?H = 30 kJ(3) 6X ? A + 9Z ?H = 20 kJ
You are designing a drier that must evaporate 200 lb/h of H2O from sludge by using air. Air at 70°F and 50% relative humidity is drawn into the drier and it leaves at 140F and 70% relative humidity. How much volume of dry air needs to be used for ..
the label on a popular brand of margarine states it is made from partially hydrogenated corn oil. which statement is
Describe how and why the ferric chloride test can be used to detect whether your reaction has gone to completion.
If the melting point of the compound is unknown the melting point measurement could take an exceedingly long time if the rate of heating of 2C/min is followed over the entire range from room temperature to the melting.
What happens if the flow of solvent through a column is too fast? What happens if the rate of flow is too low or if the flow is stopped for a period of time (by closing the stopcock?)
A 247-ln fullback runs the 40-yd dash at a speed of 19.99 +/- 0.10 mi/h and has a wavelength of 7.79E-37. What is the uncertainty in his position based on the de Broglie wavelength
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