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    Chemistry The Central Science Study Set 3
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    Exam 14: Chemical Kinetics
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    Which Substance in the Reaction Below Either Appears or Disappears
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Which Substance in the Reaction Below Either Appears or Disappears

Question 43

Question 43

Multiple Choice

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


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

Correct Answer:

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