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Explain what is the molarity of a solution containing 5.035 grams of FeCl 3 in enough water to make 500mL of solution?
The solubility of PbCl2 in .10M HCl is much lower than in pure water. CaC03 is an insoluble salt, but will dissolve in acid.
An antacid tablet contraining calcium carbonate as an active ingredient required 9.53 mL or 0.0956 M H2S04 for comlete neutralization.
If the truck driver slams on the brakes, the kinetic energy of the truck is changed to heat as the brakes slow the truck to a stop. how much would the temperature of 6.91 gallons of water increase if all this heat could be absorbed by the water
A second assay was performed by making a derivative, ammonium phospho-molybdate, which has visible absorption peak at ~ 400nm. From the Beer's Law plot, estimate the concentration of the unknown solution:
How did the Dulong-Petit law fail to reproduce heat capacities of monatomic metals at low temperatures and how did Einstein explain and rectify this failure
Draw the monobromination product that would be obtained from the radical bromination of methylcyclohexane? which product would obtained in greatest yield?
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
A 2.500 gram sample of a hydrate of calcium sulfate loses 0.523 grams of water when heated. Determine the mass percent of water in the hydrate and the formula of the hydrate.
Calculate the pH of a solution that is 0.295 M in sodium formate (NaHCO2) and 0.205 M in formic acid (HCO2H). the Ka of formic acid is 1.77x10^-4.
the half-life of a certain radioactive element is 1250 years. what percent of the atoms remain after 7500
Hydrogen gas, H2(g), reacts with iodine gas, I2(g), to form HI(g) by the following proposed reaction mechanism with the listed hypothetical activation energies
How many equivalents of electrons were delivered to the unknown soln. What is the normality of the unknown solution
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