(1) Consider SO2 (g) + 2H2S(g) = 3(g) + 2H2O(1) AH : (i) SO2 (g) =...
please answer them all :) (19) In question (12) a catalyst would shift the equilibrium to the (a) left (b) right (C) no shift (d) middle. (20) What will be Kc for SO3 (g) = SO2 (g) + 1/2O2(g). (a) 4.74 (b)0.25 (c) 4.0 (d) 17.0 (e) 0.211 (21) Consider the data below: (14) Consider the reaction: 2N2(g) + O2(g) = 2N20(g) At a certain temperature a 2.00 L flask at equilibrium contains 2.80 X 104 mol of N2 (g),...
AU for the reaction CH4 (8) + 2O2(g) - CO2(8) + 2H2O(l) in kJ at 298 K is AH(CH,) =-74.6kJ / mol AH (0) = -393.5kJ / mol AH,(4,0) =-285.8kJ / mol 1 A. -885.5 kJ B.668 kJ C. 885.5 kJ D.-668 kJ
Find AH®rxn for the reaction 2Ag2S(s) + 2H2O(0) - 4Ag(s) + 2H2S(g) + O2(g). [AH°F (Ag2S(s)) = -326 kJ/mol; AH+ (H2S(g)) = -20.5 kJ/mol; AHT (H2000) = -285.5 kJ/mol] O 575.2 kJ/mol 0 565.2 kJ/mol O None of the above O 585.2 kJ/mol 0 595.2 kJ/mol
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...
(ii) Calculate AH° for the reaction N2H4(1) + O2(g) → N2(g) + 2H2O(1) using the data given below: 2NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(1) N2O(g) + 3H2(g) → N2H4(l) + H2O(1) 2NH3(g) + O2(g) → N2H4(1) + H2O(1) H2(g) + 1/2O2(g) → H2O(1) AH° = -1010. kJ AH° = -317 kJ AH° = -143 kJ AH° = -286 kJ
1. 2. Consider the reaction 2NO(g) + 2H2(g)—>N2(g) + 2H2O(1) Based upon the stoichiometry of the reaction the sign of ASørxn should be positive Using standard thermodynamic data, calculate AS rxn at 25°C. AS rx = J/Kºmol Using values of AG calculate AGºrx for the following reaction. Is the reaction product favored or reactant-favored? SICI(g) + 2 Mg(s) + 2 MgCl2(s) + Si(s) AG°(kJ/mol) HgS(s) -50.6 SO2(g) -300.13 H2S() -33.56 H20() -228.59 SiCl() -622.76 MgCl2() -591.59 kJ/mol O product-favored reactant-favored
4) What is AH°rxn for the following reaction? 2C8H18(1) + 1702(g) → 16CO(g) + 18H20(1) Use the 2 reactions below: 2C8H18(1) + 2502(g) → 16CO2(g) + 18H20(1) 2CO(g) + O2(g) → 2C02(g) AH°rxn =-11020. kJ/mol AH°rxn =-566.0 kJ/mol A) -6492 kJ/mol B) +6492 kJ/mol C) -1964 kJ/mol D) -11020. kJ/mol E) -11586 kJ/mol
Find. AH°rxn for the reaction 2Ag2S(s) + 2H20(1) 4Ag(s) + 2H2S(9) + O2(g). [AH: (Ag2S(s)) = -32.6 kJ/mol; AHF (H2S(g)) = -20.5 kJ/mol; AH (H2O(0)) = -285,5 kJ/mol] O 5752 kJ/mol O 565.2 kJ/mol O None of the above O 585.2 kJ/mol O 595.2 kJ/mol
Given the following reaction at 298 KK: 2H2S(g)+SO2(g)→38S8(s)+2H2O(g)2H2S(g)+SO2(g)→38S8(s)+2H2O(g) ΔrG∘ΔrG∘ =−102kJmol−1 Calculate ΔrGΔrG under the following conditions: PH2SPH2S = 2.00 bar; PSO2PSO2 = 0.165 bar; PH2OPH2O = 1.246 bar