Author Question: The elementary chemical reaction O + ClO Cl + O2is made pseudo-first order in oxygen atoms by using ... (Read 74 times)

schs14 · **on:** Mar 21, 2021

Question 1

The decomposition of ozone may occur through the two-step mechanism shown:

step 1	O₃→ O₂ + O
step 2	O₃ + O → 2O₂

The oxygen atom is considered to be a(n)

◦ reactant
◦ product
◦ catalyst
◦ reaction intermediate
◦ activated complex

Question 2

The elementary chemical reaction O + ClO → Cl + O₂is made pseudo-first order in oxygen atoms by using a large excess of ClO radicals. The rate constant for the reaction is 2.5 cm³/molecules. If the initial concentration of ClO is 1.0 × 10¹¹molecules/cm³, how long will it take for the oxygen atoms to decrease to 10.% of their initial concentration?

◦ 1.1 s
◦ 0.042 s
◦ 0.28 s
◦ 0.92 s
◦ 2.8 s

moormoney · **Reply #1 on:** Mar 21, 2021

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