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± Gibbs Free Energy and Equilibrium The reaction SO2(g)+2H2S(g)?3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant stack gases. The values below may be helpful when answering questions about the process. Substance ?G?f (kJ/mol) ?H?f (kJ/mol) H2O(g) ?228.6 ?241.8 H2O(l) ?237.1 ?285.8 SO2(g) ?300.4 ?296.9 SO3(g) ?370.4 ?395.2 H2S(g) ?33.01 ?20.17 S(s) 0 0 Assume that the partial pressure of sulfur dioxide, PSO2, is equal to the partial pressure of dihydrogen sulfide, PH2S, and therefore PSO2=PH2S. If the vapor pressure of water is 24torr , calculate the equilibrium partial pressure of SO2 (PSO2) in the system at 298 K. Express the pressure in atmospheres to two significant figures.
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
If 43.2 ml of 0.105 M KMnO4 were required to reach the endpoint of a 14.8g bleach sample, what was the perrcentage of H2O2 in the sample?
What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.
if there are 45 drops of alcohol/mL, and the density of alcohol is 0.789g/mL. what is the blood alcohol concentration?
John takes 3 hours longer than Andrew to peel 500 lb of apples. If together they can peel 500 lb of apples in 8 hours, then how longer would it take each one working alone?
would the mass of the precipate collected be more, unchanged, or less if performing the reaction with reactants
Boron has two stable isotopes with masses of 10.01294 u and 11.00931 u. The average molar mass of boron is 10.81 u. What is the percent abundance of each isotope?
What is the concentraion of toulene in this sample? Does this exceed the standard? (maximum contaminant level is 1.0 mg/L 6) How much calcium nitrate has to be added to 1000L of solution to provide 130ppm Ca^2+ if the water supply contains 40ppm Ca..
What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?
What volume of H2 could be produced at a temperature of 19 oC and a pressure of 764 torr by the reaction of 2.98 g of aluminum with hydrochloric acid.
Imagine that you have a 5.50 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch
After all the water is evaporated from 10.0 mL of a CsCl solution, 3.75 g of CsCl remains. Express the original concentration of CsCl solution in each of the following units.
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