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The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.00878 mol/L.2 NO2(g) ® 2 NO(g) + O2(g)
Assume that the rate law is rate = k[NO2]. What rate of disappearance of NO2 would be predicted when [NO2] = 0.00392 mol/L?
Draw the structure of phosphatidylethanolamine containing one lauric and one palmitoleic fatty acid. Show the ionic form expected at pH7.
when 1.00 g of pure benzoic acidnbsp nbspc7h6o2nbsp is added in 50.0 grams of carbon tetrachloride ccl4 the freezing
in the titration of 50.0 ml of 1.0 m methylamine ch3nh2 kb 4.4 10-4 with 0.50 m hcl calculate the ph under the
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
A patient is given 5.5 x10^-2 mg of technetium-99 m, a radioactive isotope with a half-life of about 6.0 hours.How long untilth radioactive isotope decays to 6.0 x10-3 mg? (assume no excretin of the nucelotibe from the body.) Answer is in T =hours.
How many grams of NaCl must be added to 250g water to lower the vapor pressure by 1.30 mm Hg at 40 degrees C assuming complete dissociation?
What is the pH of a phosphate solution made by the addition of 2.5 equivalents to an initial solution of phosphoric acid. The three pKa values of phosphate
The most important commercial process for converting N2 from the air into nitrogen-containing compounds is based on the reaction of N2 and H2 to form ammonia (NH3)
If 3.00 g of PbO2 was allowed to react with 2.00 g of Pb and 2.00 g of sulfuric acid, then 0.0116 mol of PbSO4 was obtained. What was the percent yield of PbSO4 (by weight) for this reaction?
At 50 degree's Celsius the vapor pressure for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degree's Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
the water temperature rose from 20.27oC to 26.87oC. If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/oC, calculate the molar heat of combustion of CH3OH. The specific hea..
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