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1. At a certain temperature the following reactions have the constants shown:
S (s) + O2 (g) SO2 (g) Keq = 4.2 x 105
2S (s) + 3O2 (g) 2SO3 (g) Keq = 9.8 x 1012
Calculate the equilibrium constant Keq for the following reaction at that temperature:
2SO2 (g) + O2 (g) 2SO3 (g)
Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. What type of electromagnetic radiation is emitted in each transition?
Calculate the number of moles of Ascobic acid in the 50.00 ml Sample. Titration Volumes of KIO3 Initial Buret reading/ml trial 1=12.54 trial 2=8.78 Final buret reading/ trial 1=38.74 trial 2=34.93 Volume of KIO used/ml trial 1=? trial 2=?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 56.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution. What is the molarity of the ethanol in this solution?
calculate the equilibrium constant keq for the reaction of equimolar amounts of acetophenone and sodium hydroxide to
A solution is known to contain Cl, NO3, NO2, and SO4 ions. which of these ions can be positevely identified? describe the reactions used
Write the structure of the organic product resulting from the reaction of basic KI/I2 reagent with 2-butanone. 5. What should be done with the waste from the chronic acid reagent? What should be done with excess reagent?
.850 L of 0.410 M H2SO4 is mixed with .800L of .240 M KOH. what concentration of sulfuric acid remains after neutralization
Consider 4.30 L of a gas at 365mmHG and 20 C. . If the container is compressed to 2.70L and the temperature is increased to 31 C, what is the new pressure,P2 , inside the container? Assume no change in the amount of gas inside the cylinder.
Consider the following reaction for the dissociation of benzoic acid (MW=122 g x mol^-1) in water where Ka for benzoic acid is 6.5 x 10^-5. C6H5COOH(aq) + H2O (l) C6H5COO-(aq) + H30+(aq)
A second worker approaches to within 5 meters behind a shield that attenuates 60% and remains there for 20.0 minutes. What is the ration between the absorbed doses for the two workers
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa) to about 60,000 kPa (60,000,000 Pa)
Determine the enthalpy change if The heat released when 24.9 grams of Potassium K reacts with excess H2O water is 124 kilo joules?
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