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1- Nitric acid, a very important industrial chemical, is made by dissolving the gas nitrogen dioxide (NO2) in water. Calculate the moles of gas produced in 2 L volume container, 743 torr and 50 ºC if the gas behaves as ideal
2- An unknown amouont of sodium bicarbonate reacts with excess hydrochloric acid in a gas producing reaction. The reaction vessel has the same set-up as that in lab. Paying attention to the partial pressures of water in your lab book, if 171-mL of salt water was collected in the beaker at 23C and 765mmHg, how many grams of sodium bicarbonate did one begin with?
the Ras and MAP kinase pathway starts with the binding of a growth factor to a receptor. as a result, all of the following occur EXCEPT
Calcium Hydroxide is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.30 M Ca (OH)2 aq solution.
During the course of an experiment, 10.0 mL of water is added to 25.0 mL of aqueous 0.120 M NaCl. What is the concentration of NaCl in the resulting solution
Explain Phosphoglycerides differ from glycerides in that one of the hydroxyl groups of glycerol is esterifed with
Explain how many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water
A concentration cell is constructed which contains two Ni(s)-Ni2+(aq) half cells. The first half cell has [Ni2+] = 1.35 M, and the second half-cell has [Ni2+] = 3.75 x 10^-4 M. Which half cell is the cathode of the cell and what is the cell potenti..
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. Explain the smallest molecular dipole moment
Calculate the pH at the equivalence point for the titration of .25 M CH3COOH with M NaOH.
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point
If the photosynthesis portion of the carbon cycle represents the world's capacity for generating biofuels (in addition to supplying food) what percentage of the world's biomass production
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
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