At 800 K, the Equilibrium Constant, K_p, for the Following $\rightleftharpoons$

question 38

Multiple Choice

At 800 K, the equilibrium constant, K_p, for the following reaction is 3.2 × 10^-7. 2 H₂S(g) $\rightleftharpoons$ 2 H₂(g) + S₂(g)
A reaction vessel at 800 K initially contains 3.00 atm of H₂S. If the reaction is allowed to equilibrate, what is the equilibrium pressure of S₂?

• A) 8.5 × 10^-5 atm
• B) 6.2 × 10^-3 atm
• C) 9.0 × 10^-3 atm
• D) 1.1 × 10^-2 atm
• E) 1.4 × 10^-2 atm

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