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Assume an indicator works best when the equivalence point of a titration comes in the middle of the indicator range. Which indicator would be best for the following titration? 0.100 M hydrazine (Kb = 3.0 × 10-6) + 0.100 M HCl
An electron in the n=7 level of hydrogen atom relaxes to a lower energy level, emitting light of 397. What is the value of n for the level to which the electron relaxed
Draw the Newman projection formulas for the conformations of 2- methylbutane that are obtained by looking down the C2-C3 bond. Rank then oorder of relative stability
Calculate the mass of H2O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205 °C.
a mixture of 2.00 moles of h2 3.00 moles of mh3 4.00 moles of co2 and 5.00 moles of n2 exert a total pressure of
predict the hydration product of limonene if two molecules of water are added to a limonene molecule. 2. draw the expanded structure of D-limonene and circle the two isoprene units in limonene.
when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0 g of the metal.
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 765mmHg and a temperature of 20?C.
Write a balanced reaction for the acid-base reaction of diethylbenzyl phosphonate with sodium hydroxide. Which hydrogens are the most acidic?
Perform a series of experiments for the reaction A?B+C and find that the rate law has the form rate = k[A]x. Determine the value of x in each of the following cases.
Methyl Orange is an acid-base indicator. In dilute solution, at pH greater than 4.4, it is yellow. At pH=3.2 the solution appears red. Draw a structure of the species that is formed at the lower pH of the acid proton adds to the azo nitrogen atom ..
Barium Sulfate can be made by mixing solutions containing the barium and sulfate ions. The net ionic equation for this reaction is Ba2+(aq) + SO4 2-(aq) ----> BaSO4(s)
Draw out the mechanism of the reaction (not the reaction scheme) for Acetic acid and n-Octanol that makes n-Octyl Acetate. Use mechanistic arrows and draw any intermediates and product.
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