For the reaction 2N2O5(g) 4NO2(g) + O2(g), the following data ...

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Question 1

For the reaction 2N₂O₅(g) → 4NO₂(g) + O₂(g), the following data were collected:

t (minutes)

[N2O5] (mol/L)

	0	1.24 × 10–2
	10.	0.92 × 10–2
	20.	0.68 × 10–2
	30.	0.50 × 10–2
	40.	0.37 × 10–2
	50.	0.28 × 10–2

70.

0.15 × 10–2

​

The order of this reaction in N2O5 is:

 

Reference: Ref 12-10

​

​

◦ 0
◦ 1
◦ 2
◦ 3
◦ None of these are correct.

Question 2

For the reaction 2N₂O₅(g) → 4NO₂(g) + O₂(g), the following data were collected:

t (minutes)

[N2O5] (mol/L)

	0	1.24 × 10–2
	10.	0.92 × 10–2
	20.	0.68 × 10–2
	30.	0.50 × 10–2
	40.	0.37 × 10–2
	50.	0.28 × 10–2

70.

0.15 × 10–2

​

The concentration of O2 at t = 10. minutes is:

 

Reference: Ref 12-10

​

​

◦ 2.0 × 10^–4 mol/L
◦ 0.32 × 10^–2 mol/L
◦ 0.16 × 10^–2 mol/L
◦ 0.64 × 10^–2 mol/L
◦ None of these are correct.

[ynlevi]

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[bucstennis@aim.com]

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