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34. At volcanic sites, sulfur is formed via the following reaction. 2 H2S(g) +SO2(g) = 3S(s)...
Sulfur dioxide is a significant air pollutant, especially from coal-fired power-plants. The following reaction is the basis of a suggested method for removal of SO2 from power-plant exhaust gases. Is this reaction a feasible method of removing SO2? Why or why not? Support your answer using the provided thermodynamic data. SO2(g) + 2H2S(g) → 3S(s) + 2H2O (g) ΔG° = -90.5 kJ ΔH° = -146 kJ ΔS° = -186 J/K
The reaction SO2(g)+2H2S(g) ⇌ 3 S(s)+2H2O(g) is the basis of a suggested method for removal of SO2, a pollutant that irritates airways causing coughing, from power-plant stack gases. The values below may be helpful when answering questions about the process. Substance ΔG∘f (kJ/mol) ΔH∘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 PART A: Calculate the equilibrium constant Kp for the reaction at a temperature of 298 K. Express...
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 ΔG∘f (kJ/mol) ΔH∘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 Part A Calculate the equilibrium constant Kp for the reaction at a temperature of 298 Part D...
Consider the following reaction: 2H2S(g)+SO2(g)⇌3S(s)+2H2O(g) A reaction mixture initially containing 0.480 M H2S and 0.480 M SO2 was found to contain 1.0×10−3 M H2O at a certain temperature. A second reaction mixture at the same temperature initially contains [H2S]= 0.255 M and [SO2]= 0.325 M . Calculate the equilibrium concentration of H2O in the second mixture at this temperature. Express your answer using two significant figures.
Consider the following reaction: SO2 + 2 H2S → 3 S + 2 H2O If 7.40 g of SO2 reacts via this reaction in excess H2S, what mass (in g) of H2O will be produced?
Sulfur dioxide, SO2(g), can react with oxygen to produce sulfur trioxide, SO2(g), by the reaction 2 502(g) + O2(g) → 250 (8) The standard enthalpies of formation for SO2(g) and SO2(g) are AH; (SO2(8)) = –296.8 kJ/mol AH (SO2(2)) = –395.7 kJ/mol Calculate the amount of energy in the form of heat that is produced when a volume of 4.46 L of So,(g) is converted to 4.46 L of So, (g) according to this process at a constant pressure and...
The following reaction occurs within an erupting volcano: 2 H2S(g) + SO2(g) 3 S(s) + 2 H2O(g) At 650 K, an equilibrium mixture contained H2S, SO2, and H2O at partial pressures of 1.17 atm, 1.07 atm, and 0.83 atm respectively. Calculate Kp at 650 K for the reaction
According to the following reaction, how many grams of sulfur are formed when 37.4 g of water are formed? 2 H2S(g) + SO2(g) → 3 S(s) + 2H2O(l)
Calculate heat for the following reaction to produce sulfur dioxide, S(3) + O2(g) = SO2(E) given the thermochemical equations below. 2 S(s) + 3 O2(g) =2 SO3(g) AH° = -791.5 kJ 2 SO2(g) + O2(g) = 2 SO3(g) AH° = -197 9 kJ Show all work and calculate to the correct number of sig figs.
A chemist measures the enthalpy change AH during the following reaction: 8 SO2(9) 16 H2S(g) AH=-1863. kJ 3 Sg(s) + 16 H,20) Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. AH Oto reaction E726. kJ 16S0, (8) +32H,S () -- 6s,) +32H20 () 1863. kJ 3s,() +16H,O()8So, (e)16H,s() 5589. kJ 9s,()48H,0()24SO, (s) +48H,S (g)