Exhibit 13-14 Consider the Decomposition of N₂O₅ as Shown in the Equation

question 132

Multiple Choice

Exhibit 13-14 Consider the decomposition of N₂O₅ as shown in the equation below to answer the following question(s) . 2 N₂O₅ (g) →4 NO₂ (g) + O₂ (g) This reaction has been determined to be first order with respect to N₂O₅.
-Refer to Exhibit 13-14. If 0.0250 moles of N₂O₅ are charged into a 2.00 L vessel, how many moles will remain after 150 seconds if the rate constant is 6.82×10 ^{- 3} s ^{- 1} (at 70 ° C) ?

• A) 4.49×10 ^{- 3} moles
• B) 8.99×10 ^{- 3} moles
• C) 0.0244 moles
• D) 0.0695 moles
• E) 14.4 moles