Exhibit 13-16 Consider the Reaction Below, Which Follows a Second

question 44

Multiple Choice

Exhibit 13-16 Consider the reaction below, which follows a second order rate law, to answer the following question(s) .
2 NO₂ (g) →2 NO (g) + O₂ (g)
Assume the initial concentration of NO₂ equals 0.100 M and the rate constant, k , equals 0.630 M ^{- 1}s ^{- 1}.
-Refer to Exhibit 13-16. What is the half-life for this reaction?

• A) t_1/2 = 0.159 seconds
• B) t_1/2 = 0.315 seconds
• C) t_1/2 = 1.10 seconds
• D) t_1/2 = 3.15 seconds
• E) t_1/2 = 15.9 seconds