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chemistry

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For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium concentration. Write down the equation for Keq. Solve for x. What are the equilibrium concentrations for H2, I2, and HI?

  • chemistry -

    ...........H2 + I2 ==> 2HI
    initial..0.15..0.05.....0
    change.....-x....-x.....2x
    equil....0.15-x.0.05-x...2x

    Substitute into the Kc expression and solve. Post your work if you get stuck.

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