When the Reaction 2H₂S(g) ⇌ 2H₂(g) + S₂(g) Is Carried $\circ$

question 30

Multiple Choice

When the reaction 2H₂S(g) ⇌ 2H₂(g) + S₂(g) is carried out at 1065 ^$\circ$ C, K_p = 0.012. Starting with pure H₂S at 1065 ^$\circ$ , what must the initial pressure of H₂S be if the equilibrated mixture at this temperature is to contain 0.250 atm of H₂(g)

• A) 1.06 atm
• B) 1.86 atm
• C) 0.94 atm
• D) 0.90 atm
• E) 1.52 atm

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