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It takes 12.0 minutes for 1.00 L of N2 (g) to diffuse through a pin hole. Suppose it takes 30.0 minutes for 2.00 L of gas X to diffuse through the same hole under the same condition, what is the molar mass of gas X?
Explain how would I find the percent yield and what would it be if I have 3.292 g of p-anisaldehyde to start out with, 2.905 g of acetophenone needed for the reaction between p-anisaldehyde and acetophenone, as well as 4.151 g of recovered trans-..
caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration
A solution of ammonia and water contains 4.20×10^25 water molecules and 6.90×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
The Ksp for silver sulfate (Ag2SO4) is 1.2 * 10^-5. Calculate the solubility of silver sulfate in each of the following.
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.0520M solution of zinc(II) nitrate and a silver cathode in contact with a 0.00420M solution of silver(I) nitrate
The half-life of nuclium is 12.3 years. If 49.0 mg of nuclium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 98.4 years.
In the formation of an acetal one mole of aldehyde requires which of the following? a. one mole of alchol b. two moles of alcohol c. one mole of alcohol and one mole of water d. two moles of water
What is the silver ion concentration in a solution prepared by mixing 353 ml of .357 M silver nitrate with 425 ml of .494 M sodium carbonate?
name a metal that could be used in a future experiment to extract the copper from the copper ii nitrate solution.here
Decribe how to prepare 2.0 liters of a .20 M NaOH solution from 50%. (w/w) Naoh solution that has a density of 1.53 g/mL, and doing all measurements by volume, not mass.
List and describe at least three prokaryotic cellular features that could be targeted in this way to inhibit or kill a bacterial pathogen.
When 95% ethanol was used as the buffer only the mixture and methylene blue travelled up the plate, but when 65% ethanol was used as the buffer all 3 of them travlled up the plate. why did sodium fluorescein not move with 95% ethanol
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