Using the initial concentrations and the fact that [O2] = 0.55 × 10–2 M at t = 70.0 minutes in Table 17.2, calculate [N2O5] and [NO2] at t = 70.0 minutes. TABLE 17.2 Concentrations of N,0s(g), NO,(g), and O2(g) as a function of time at45°C for the reactionN,O5(g) → 2 NO,(g) +;O2(g)t/min[N,O;]/10-2 M[NO,]/10-2 M[02]/10-2 M1.2410.00.920.640.1620.00.681.120.2830.00.501.480.3740.00.371.740.4450.00.281.920.4860.00.212.060.5270.00.142.180.5580.00.112.260.5790.00.082.320.58100.00.062.360.59

Calculate the concentration at 70 min....

Answered: 2(8), 2(8) N,O;(g) → 2 NO,(g) + ¿ O2(g)…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter16: Reaction Rates

Section: Chapter Questions

Problem 6STP

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Using the initial concentrations and the fact that [O2] = 0.55 × 10–2 M at t = 70.0 minutes in Table 17.2, calculate [N2O5] and [NO2] at t = 70.0 minutes.

TABLE 17.2 Concentrations of N,0s(g), NO,(g), and O2(g) as a function of time at
45°C for the reaction
N,O5(g) → 2 NO,(g) +;O2(g)
t/min
[N,O;]/10-2 M
[NO,]/10-2 M
[02]/10-2 M
1.24
10.0
0.92
0.64
0.16
20.0
0.68
1.12
0.28
30.0
0.50
1.48
0.37
40.0
0.37
1.74
0.44
50.0
0.28
1.92
0.48
60.0
0.21
2.06
0.52
70.0
0.14
2.18
0.55
80.0
0.11
2.26
0.57
90.0
0.08
2.32
0.58
100.0
0.06
2.36
0.59

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