isaiahmyers3410 isaiahmyers3410
  • 09-10-2018
  • Chemistry
contestada

For which of the following equilibria does `"K"_("eq") = ["O"_2]`? A. O2(l) O2(g) B. 2O3(g) 3O2(g) C. 2H2O(l) 2H2(g) + O2(g) D. 2Hg(s) +O2(g) 2HgO(s)

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weeblordd
weeblordd weeblordd
  • 19-10-2018

For plato users

the answer is a. O2(l) O2(g)

hope this helps!

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Annainn Annainn
  • 21-01-2019

For a hypothetical reaction:

aA ↔ bB

the equilibrium constant is given as:

Keq = [B]^b/[A]^a

activity of pure solids and liquids = 1

For the given reactions:

A) O2(l) ↔ O2(g)

Keq = [O₂]

B) 2O3(g) ↔ 3O2(g)

Keq = [O₂]³/[O₃]²

C) 2H2O(l) ↔2H2(g) + O2(g)

Keq = [H₂]²[O₂]

D) 2Hg(s) + O2(g) ↔ 2HgO(s)

Keq = [Hg]²[O₂]

Ans: A



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