Problem: N2O4 (g) at a concentration of 0.240 M was contained in a 5.00 L vessel at 50 °C where it decomposed into NO2(g). The partial pressure of NO2, P(NO2), was measured as a function of time. Determine the rate constant for this reaction.Time, min                    P(NO2), atm0                                   010                                 1.3920                                 1.8030                                 1.9940                                 2.1150                                 2.1860                                 2.2370                                 2.2780                                 2.3090                                 2.33100                               2.35A. 0.25 min-1B. 1.6 x 10-2 min-1 M-2C. 0.50 min-1 M-1D. 1.25 min-1E. 4.6 min-1 M-2

FREE Expert Solution
100% (190 ratings)
View Complete Written Solution
Problem Details

N2O4 (g) at a concentration of 0.240 M was contained in a 5.00 L vessel at 50 °C where it decomposed into NO2(g). The partial pressure of NO2, P(NO2), was measured as a function of time. Determine the rate constant for this reaction.

Time, min                    P(NO2), atm

0                                   0
10                                 1.39
20                                 1.80
30                                 1.99
40                                 2.11
50                                 2.18
60                                 2.23
70                                 2.27
80                                 2.30
90                                 2.33
100                               2.35

A. 0.25 min-1

B. 1.6 x 10-2 min-1 M-2

C. 0.50 min-1 M-1

D. 1.25 min-1

E. 4.6 min-1 M-2

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Integrated Rate Law concept. You can view video lessons to learn Integrated Rate Law. Or if you need more Integrated Rate Law practice, you can also practice Integrated Rate Law practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofN2O4 (g) at a concentration of 0.240 M was contained in a 5....as medium difficulty.