Which Substance in the Reaction Below Either Appears or Disappears

question 123

Multiple Choice

Which substance in the reaction below either appears or disappears the fastest?
4NH₃ + 7O₂ → 4NO₂ + 6H₂O

• A)NH₃
• B)O₂
• C)NO₂
• D)H₂O
• E)The rates of appearance/disappearance are the same for all of these.

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