Which of the Following Changes Is Most Likely to Decrease

question 23

Multiple Choice

Which of the following changes is most likely to decrease reaction rate for the chemical reaction 2CO + O₂  2CO₂?

• A) adding twice as much O₂ to the reaction mixture
• B) tripling the temperature of the reaction mixture
• C) adding a catalyst to the reaction mixture
• D) removing some CO from the reaction mixture

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