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write the equations for two different acid base reactions of diethylamine with water. Indicate the direction of the equlibrium for both reactions. The pKa of diethyl ammonium ion is 10.94. The pKa for diethylamine can be extrapolated from ammonina in table 4.1.
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette
Imidazole, acting as a nucleophile, catalyzes the hydrolysis of phenyl acetate by attach on the carbonyl carbon atom of the ester. The imidazole displaces the phenoxide anion and forms acetyl imidazole
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?
A sample of gas has an initial volume of 13.8L at a pressure of 1.26 atm If the sample is compressed to a volume of 10.8L, what will its pressure be?
One can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact. According to molecular orbital theory,
If 1.87 of acetic acid() reacts with 2.31 of isopentyl alcohol() to give 2.96 of isopentyl acetate(), what is the percent yield of the reaction?
A 52.2 g block of an unknown metal at 85.5oC was dropped into an insulated vessel containing approximately 37 g of ice and 27 g of water at 0oC. After the system had reached equilibrium
A 100g iron ball (specific heat= 0.473 J/g degrees celcius) is heated to 125 degrees celcius and placed in a calorimeter holding 200g of water at 25.0 degrees celcius. What will be the highest temperature reached by the water?
A gas mixture with a total pressure of 750mmHg contains each of the following gases at the indicated partial pressures:CO2 , 133mmHg ; Ar,215mmHg and O2,177mmHg
What is the percentage yield of SO3 if 22.3 g SO3 are obtained from the reaction of 25.0 g SO2 with an excess of O2.
A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound
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