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The following charges on individual oil droplets were obtained during an experiment similar to Millikan's determine a charge for the electron (in Coulombs) and explain your answer:
-3.204x10^-19 C -4.806X10^-19C -8.010x10^-19C -1.442X10^-18C
1.500 g of Mg(s) was combined with 125.0 mL of 1.0 M HCl. The initial temperature was 25.0oC and the final temperature was 72.3oC.
The rate at which a compound travels through a particular GC system depends on numerous factors. List the five factors and number them one through five.
The reaction of acylate ethylbenzene with acetylchloride using a friedel crafts reaction to give 4-ethylacetophenone, then react this with benzaldehyde (aldol)
One adds 25.00 mL of the solution in # 26 above to a 100 mL volumetric flask and adds enough water to fill the flask to the mark with stirring. (a) What is the molarity of the resulting solution
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
MnO4-(aq) I-(aq)?Mn2 (aq) I2(s), the number of electrons gained in cathode is ( )
A 1.75 L container filled with CO2 gas at 25°C and 225 kPa pressure springs a leak. When the container is resealed, the pressure is 185 kPA and the temperature is 10°C. How many moles of gas were lost?
Calculate the approximate SO 2 mass emission in lb/day.
What are the n and l quantum numbers of the electron removed when Bi is ionized to Bi+ and would you expect element 115 to have ionization energy greater than, equal to, or less than that of bismuth? Explain.
How does the Rf value of a given metal ion in solution by itself compare to its Rf value when it is in a mixture with other metals ions?
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
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