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As of the writing of this text, EPA standards limit atmospheric ozone levels in urban environments to 84 ppb. How many moles of ozone would there be in the air above Los Angeles County (area about 4000 square miles; consider a height of 10 m above the ground) if ozone was at this concentration?
The flask from part (a) is heated to 900 K, and when the system has comt to equilibrium, the total pressure in the flask reaches 1.814. Find the value of the equilbrium constant for the above reaction at 900 K
the reaction 2nog cl2g ltgt 2nocl g is allowed to reach equilibrium in a 1.00 l vessel at 500.0 k. at equilibrium the
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C
compute the ph of a solution made by mixing 67 grams of sodium acetate nach3coo to 37 g of acetic acid ch3cooh and
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the anaylsis.
Important information about Thermochemistry, Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp of 32 degrees C
Starting with 1.20 mL of an alcohol (MW 88, d = 0.8114 g/mL) and 3 mL of glacial acetic acid (MW 60, d=1.06 g/mL), calculate the theoretical yield in moles.
What is the pH of a 0.17 M solution of oxalic acid, H2C2O4. The Ka1,2 values of oxalic acid are 5.6 x 10-2 and 5.4 x 10-5.
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25M . The concentration of Cu^2+ in one of the half-cells is 1.5×10-3 . What is the concentration of Cu2+ in the other half-cell?
A student analyzed and recorded two potassium emission spectra: 1) one using 0.10 M Potassium sulfate solution; 2) one using 0.10M Potassium nitrate solution;. Determine why will significant differences be observed in the two emission spectra.
Explain what change would you expect on the rate of the sn2 reaction of 1-iodo-2-methylbutane with cyanide ion if the nucleophile concentration is halved and the alkyl halide concentration is halved
Depict the complete mechanism for the hydroboration-oxidation of 1-octene into 1-octanol and 2-octanol this means as well drawing out the three repetitive steps to obtain BR3, the two repetitive steps during oxidation
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