Sulfur trioxide is manufactured from sulfur dioxide as onestep in the industrial

Question

Sulfur trioxide is manufactured from sulfur dioxide as onestep in the industrial synthesis of sulfuric acid: 2 SO2(g)+O2(g) 2SO3(g). Use thermodynamic data ( appendix L) tocalculate Keq for the reaction at 298 K and at the temp.at which it is carried out in insudtry , 725K Sulfur trioxide is manufactured from sulfur dioxide as onestep in the industrial synthesis of sulfuric acid: 2 SO2(g)+O2(g) 2SO3(g). Use thermodynamic data ( appendix L) tocalculate Keq for the reaction at 298 K and at the temp.at which it is carried out in insudtry , 725K Sulfur trioxide is manufactured from sulfur dioxide as onestep in the industrial synthesis of sulfuric acid: 2 SO2(g)+O2(g) 2SO3(g). Use thermodynamic data ( appendix L) tocalculate Keq for the reaction at 298 K and at the temp.at which it is carried out in insudtry , 725K

Explanation / Answer

We Know that :      The given Reaction is :         2SO2(g)+O2(g)---------> 2SO3(g).                G = G products - Greactants               = 2 x -371.06 KJ - ( 2 x -300.19 + 0 ) KJ                = - 141.74 KJ         We Know that:           Grxn. = -2.303 x R x T x log Kp           -141.74 x 103 J = - 2.303 x 8.314 J / mol-K x298 K x log Kp                     Kp   =   6.93 x 1023               = 2 x -371.06 KJ - ( 2 x -300.19 + 0 ) KJ                = - 141.74 KJ         We Know that:           Grxn. = -2.303 x R x T x log Kp           -141.74 x 103 J = - 2.303 x 8.314 J / mol-K x298 K x log Kp                     Kp   =   6.93 x 1023

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