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Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g)⇌InH2(g),Kp=1.48 at 973 K The...

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Chemistry

Gaseous indium dihydride is formed from the elements at elevatedtemperature: In(g)+H2(g)⇌InH2(g),Kp=1.48 at 973 K The partialpressures measured in a reaction vessel arePInPH2PInH2===0.0550atm0.0290atm0.0780atm Determine the equilibriumpartial pressure of In. Determine the equilibrium partial pressureof H2. Determine the equilibrium partial pressure of InH2.

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3.8 Ratings (704 Votes)

                In(g)    +    H2(g)    ⇌    InH2(g

I               0.055       0.029           0.078

C               +x    +x -x

E    0.055+x 0.029+x    0.078-x

   Kp = PInH2/PIn PH2

               1.48 = 0.078-x/(0.055+x)(0.029+x)

          1.48*(0.055+x)(0.029+x) = 0.078-x

                       x   = 0.062

      PIn   = 0.055+x   = 0.055+0.062 =0.117atm

      PH2   = 0.029+x    = 0.029+0.062 = 0.091atm

      PInH2                     = 0.078-x        = 0.078-0.062 = 0.016atm

          

      
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