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what are the allowable transitions from 4d to 5f of hydrogen atoms? using the quantum numbers l and m to indicate the allowable transitions
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane. Draw the organic product resulting from using these chemicals in the Wittig reaction.
Will a precipitate form if 25.0 ml of a 0.0030 M solution of BaCl2 and and 50.0 ml of a 0.050 solution of NaF are mixed? Is the solution saturated
use oxidation number to show which element is oxidized and which element is reduced in this equation 2H2o2----2H2O+O2
A student added more KSCN solution thatn instructed when making standard solution. assuming no other errors were made in the experiment, would the value of the equilibirum constant determined
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
If 323 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide, what is the percent yield for the reaction?
Isobutane is the fuel used in disposable lighters. The lighters' operation is dependent upon the butane's ability to vaporize and be ignited, and this depends somewhat upon the large pressure difference between the inside of the lighter
When 24.0 g of glucose (a nonelectrolyte) are dissolved in 500. g of water, the solution has a freezing point of -0.47°C. What is the molar mass of glucose? Kf of water is 1.86°C/m.
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
Considering the following equation, how many moles of water will be made by fully reacting 12 moles of NH3?
Designing and preparing aqueous buffer solution with the pH indicated.
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