Author Question: The decomposition of N2O5(g) to NO2(g) and O2(g) obeys first-order kinetics. Assuming the form of ... (Read 116 times)

beccaep · **on:** Mar 21, 2021

Question 1

The catalyzed pathway in a reaction mechanism has a __________ activation energy and thus causes a __________ reaction rate.

◦ higher, lower
◦ higher, higher
◦ lower, higher
◦ lower, steady
◦ higher, steady

Question 2

The decomposition of N₂O₅(g) to NO₂(g) and O₂(g) obeys first-order kinetics. Assuming the form of the rate law is:

where k = 3.4 × 10^–5 s^–1 at 25°C, what is the initial rate of reaction at 25°C where [N₂O₅]₀ = 7.1 × 10^–2M?

◦ 3.4 × 10^–5 mol/L·s
◦ 2.4 × 10^-6 mol/L·s
◦ 4.8 × 10^–4 mol/L·s
◦ 7.1 × 10^–2 mol/L·s
◦ None of these are correct.

vickybb89 · **Reply #1 on:** Mar 21, 2021

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