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Please help me figure out this problem: A cubic meter of air sample was sampled at 1.0 atm and 40 C. An ion chromatographic analysis of that sample found it to contain 41 micrograms of N02. How many pub of N02 is in that air?
The p-dinitrobenzene radical anion can be prepared by reduction of p-dinitrobenzene. The radical anion has two equivalent N nuclei (I=1) and four equivalent protons. Predict the form of the EPR spectrum using a(N)=0.148 mT and a(H) = 0.112 mT.
A solution is prepared by dissolving 12.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.50 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
If a eukaryotic cell were broken open and the subcellular organelles separated by ultracentrifugation, in which of the following would the citric acid cycles be found
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
Draw the mechanism for the reaction of Cl2 and 3-ethylpentane with light (there should be three different chloroalkane products in addition to HCl).
A mixture of four gases exerts a total pressure of 860 mm Hg. Gas A and B, both exert 220 mm Hg, Gas C 110 mm Hg. What pressure is exerted by gas D?- When does a real gas behave like an ideal gas?
a piece of 122 grams metal with is placed in a 50 ml graduated cylinder. determine what would be the density of the
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water.How many moles of Cl- ion are in the solution?What is the molarity of Cl- ion in the solution.
Calculate the boiling point of a solution containing 50.0 g of KCl and 550.0 g of water. (kb for water is 0.51C/m).
Name the kinds of intermolecular forces that exist between molecules (or basic units) in each of the subsequent species.
a sample of nitrogen gas in a 4.7-l container at a temperature of 28degc exerts a pressure of 3.6 atm. calculate the
Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
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