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A student carried out a simple distillation of toluene for purification. Gas Chromatography analysis indicated the obtained fraction was 100% pure. Nevertheless, the thermometer reading for the distillate by that student was 95 degrees celsius for the fraction, which indicated it was impure. What error do you think the student made?
The order of Stability of these carbocations (butane): Tertiary, Secondary, Primary. Is this order of stability consistent with Markovnikov's rule for the addition of hydrogen halides to alkenes
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
Compute the mass of salt required to bring the freezing point of 200 mL of H 2 O from 0 degrees C to -5 degrees C.
using the hendersoon hasselbach equation calculate the pH of a solution made by adding 50.0mL of 1.00M sodium acetate to 50.0mL
For our experiment we put 5 mL of red Kool-Aid in an empty 25 mL volumetric flask, we then slowly added water until it reached the 25 mL mark in the flask and recorded our observations. Obviously the red Kool-Aid was diluted by the water making it..
The total mass of the car plus sand is 85,000 . The hopper door is not fully closed so sand leaks out the bottom. After 18.0 minutes, 1.34×104 of sand has leaked out. Then what is the speed of the railroad car?
The theoretical yeild of Ni(NH3)6Cl2 moles must be calculated as well as the theoretical yield of Ni(NH3)6Cl2 grams. How do you find the limiting reagent to calculate the theoretical yield.
consider the solubility of the slightly soluble salt aoh2 are allowed to equilibrate one at 25 degrees celsius and the
It's proton NMR spectrum displays 4 signals as follows: 1.0 ppm(triplet, 3H); 2.4 ppm (quartet, 2H); 3.7 ppm(singlet, 2H); 7.2 ppm (multiplet, 5H). Identify the structure of this compound.
A 0.2088g sample of an unknown monprotic acid is titrated with 22.10 ml of 0.1000 mol/L KOH. The pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid?
On a IR Spectrum chart, where would the one or two absorptions be located that distinguish the compound Diethl Ether
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