Methanol Can Be Synthesized by Combining Carbon Monoxide and Hydrogen

question 55

Multiple Choice

Methanol can be synthesized by combining carbon monoxide and hydrogen. CO(g) + 2H₂(g) CH₃OH(g)
A reaction vessel contains the three gases at equilibrium with a total pressure of 1.00 atm. What will happen to the partial pressure of hydrogen if enough argon is added to raise the total pressure to 1.4 atm?

• A) The partial pressure of hydrogen will decrease.
• B) The partial pressure of hydrogen will increase.
• C) The partial pressure of hydrogen will be unchanged.
• D) K_p needs to be known before a prediction can be made.
• E) Both K_p and the temperature need to be known before a prediction can be made.

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