The equilibrium constant (Kc) for the reaction shown below is4.17 10-34 at 25Â

Question

The equilibrium constant (Kc) for the reaction shown below is4.17 10-34 at 25Â °C.

2 HCl(g)-->,<-- H2(g) + Cl2(g)

What is the equilibrium constant for the following reaction at thesame temperature?

H2(g) + Cl2(g)-->,<-- 2 HCl(g) Will rate lifesaver. Thanks! The equilibrium constant (Kc) for the reaction shown below is4.17 10-34 at 25Â °C.

2 HCl(g)-->,<-- H2(g) + Cl2(g)

What is the equilibrium constant for the following reaction at thesame temperature?

H2(g) + Cl2(g)-->,<-- 2 HCl(g) Will rate lifesaver. Thanks!

Explanation / Answer

Noticed the second equation is just the first equation but flippedaround. Noticed that the reactant in the first equation is theproduct in the second equation, and that the products in the firstequation is the reactants in the second. Therefore, the new kc = 1/Kcoriginal Kc = 1/(4.17e-34) Kc = 2.4e33

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