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Author Question: At a particular temperature the first-order gas-phase reaction 2N2O5 2N2O4 + O2 has a half-life for ... (Read 32 times)

903f23fj0

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Question 1

At 700 K, the rate constant for the following reaction is 6.2 × 10–4 min–1.
         
How many minutes are required for 20% of a sample of cyclopropane to isomerize to propene?
◦ 1,120 min
◦ 360 min
◦ 3710 min
◦ 1.4 × 10–4 min
◦ 280 min

Question 2

At a particular temperature the first-order gas-phase reaction 2N2O5→ 2N2O4 + O2 has a half-life for the disappearance of dinitrogen pentoxide of 3240 s.  If 1.00 atm of N2O5 is introduced into an evacuated 5.00 L flask, what will be the total pressure of the gases in the flask after 1.50 hours?
◦ 0.685 atm
◦ 1.00 atm
◦ 0.315 atm
◦ 1.68 atm
◦ 1.34 atm


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Marked as best answer by 903f23fj0 on Nov 5, 2023

gyvette

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903f23fj0

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Reply 2 on: Nov 5, 2023
Gracias!


coreycathey

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Reply 3 on: Yesterday
Wow, this really help

 

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