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Author Question: The reaction is first order in N2O5. For this reaction at 45oC, the rate constant k = 1.0 105 s1, ... (Read 520 times)

Ebrown

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Question 1

The reaction

   

exhibits the rate law

   

where k = 1.0 × 10–5M–1 s–1 at 25°C. This reaction is run where the initial concentration of NOBr ([NOBr]0) is 0.40 M. What is one half-life for this experiment?


4.0 s
2.0 × 10–5 s
6.9 × 10–4 s
2.5 × 105 s
None of these are correct.

Question 2

The reaction
   
is first order in N2O5. For this reaction at 45oC, the rate constant k = 1.0 × 10–5 s–1, where the rate law is defined as
   
For a particular experiment ([N2O5]0 = 1.0 × 10–3M), calculate [N2O5] after 4.1 × 105 seconds.

4.1 M
1.0 × 10–3M
1.7 × 10–5M
0 M
11 M


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Marked as best answer by Ebrown on Mar 21, 2021

Gabe

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Ebrown

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Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it


cdmart10

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Reply 3 on: Yesterday
Wow, this really help

 

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