Consider the decomposition of N 2 O 5 as shown in the following equation to answer the next three questions 2 N 2 O 5 (g) 4 NO 2 (g) O 2 (g) 1 If the rate of decomposition of N 2 O 5 at a particular instant in a reaction vessel is 4 2 x 10 7 M s, what is the rate of appearance of NO 2 and O 2 respe...

Consider the decomposition of N 2 O 5 as shown in the following equation to answer the

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Question:

Consider the decomposition of N ₂O ₅ as shown in the following equation to answer the next three questions:

2 N ₂O ₅(g) → 4 NO ₂(g) + O ₂(g)

1. If the rate of decomposition of N ₂O ₅ at a particular instant in a reaction vessel is 4.2 x 10 ^-7 M/s, what is the rate of appearance of NO ₂ and O ₂ respectively?

2. The reaction shown above has been determined to be first order with respect to N ₂O ₅. If 0.0250 moles of N ₂O ₅ are charged into a 2.00 L vessel, how many moles will remain after 150 seconds if the rate constant is 6.82 x 10 ^-3 s ^-1 (at 70 ^oC)?

3. What is the half-life for this reaction at 70 ^oC?