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H(2) and I(2) are mixed at 400^(@)C in a...

`H_(2)` and `I_(2)` are mixed at `400^(@)C` in a `1.0 L` container, and when equilibrium is established, the following concentrations are present: `[HI]=0.8 M, [H_(2)]=0.08 M`, and `[I_(2)]=0.08 M`. If now an additional `0.4` mol of HI is added, what are the new equilibrium concentrations, when the new equilibrium `H_(2)(g)+I_(2)(g) hArr 2HI(g)` is re-established?

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To solve the problem step by step, we will follow these instructions: ### Step 1: Write the balanced chemical equation The balanced equation for the reaction is: \[ H_2(g) + I_2(g) \rightleftharpoons 2HI(g) \] ### Step 2: Determine the equilibrium constant \( K_c \) Given the initial equilibrium concentrations: ...
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