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The subsequent molecule contains two different nitrogen longe pairs, one of which is considerably more basic than the others. a) Depict the two possible conjugate acids arising from the protonation of these lone pairs. b) Find out which conjugate acid is more stable. c) Offer a structure based rationale for the observed difference in basicity. d) Circle the more basic nitrogen in the structure below.
The structure is 4-Dimethylaminopyridine.
hydrogen peoxide decays into water and oxygen in a first-order process at 20 degrees celcius. H2O2 yeilds H2O and 1/2 O2 the rate expression is 1.77X10 -5 [H2O2] what is the half life in hours of h2o2.
10 M solution of chloroacetic acid, ClCH2CO2H, has a pH of 1.95. calculate Ka for the acid.
calcium malonate, the salt of malonic acid, is found in beetroot and is known as an inhibtor of the citric acid cyle. if a sample of beetroot disolved in water has a pH of 8.20,
There is a mixture that is soluble only in methylene chloride. I wanna run the column in 10% Ethyl acetate/hexanes. Which method of column loading should I use in this case and why?
Write the differential form of the energy and entropy representations of the fundamental equation. Identify the new intensive variables and how they relate to partial derivatives of the fundamental relations.
nbspan electric heater of 100 w 1w 1 js operates for nine minutes to heat the gas in a cylinder the gas expands. at
some physical properties of water are shown below.freezing point 0.00degcboiling
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 550 mL of a solution that has a concentration of Na+ ions of 0.600 M
If the heat of fusion os X is 80.0 J/g, the heat of vaporization is 190.J/g, and if 3.5 J are required to warm 1 g of X each degree, how much energy will be needed to accomplish the change in a
EXPLAIN why at low temperatures, e.g. -80 °C, when HCl is added to 1,3-butadiene the major product is 3-chloro-1-butene. c) EXPLAIN why at +80 °C when HCl is added to 1,3-butediene the major product is 1-chloro-2-butene.
1.00g each of NaCl,CaCl2,C6H12O6 dissolved in 100.0g water. What is the vapor pressure of the solution at 100C. What is the freezing point and boiling point
the teaching assistants did this experiment last week. they started with 5.872g piece of copper wire. after drying the
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