Question

In: Chemistry

A reaction vessel at 1215 K contains a mixture of SO2(P= 3.10 bar ) and O2(P=...

A reaction vessel at 1215 K contains a mixture of SO2(P= 3.10 bar ) and O2(P= 1.20 bar ). When a catalyst is added the reaction

2SO2(g)+O2(g)⇌2SO3(g)

takes place. At equilibrium the total pressure is 4.05 bar .

Solutions

Expert Solution

                 2SO2(g)+O2(g)⇌2SO3(g)

I              3.1             1.2       0

C            -2x               -x         +2x

   E           3.1-2x        1.2-x       +2x

              total pressure at equilibrium = 4.05bar

           PSO2 + PO2 + PSo3    = 4.05

          3.1-2x +1.2-x + 2x           = 4.05

           x   = 0.25

      PSO2 = 3.1-2x   = 3.1-2*0.25    = 2.6bar

      PO2    = 1.2-x    = 1.2-0.25          = 0.95bar

     PSO3    = 2x      = 2*0.25           =0.5 bar


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