Consider the following data for the gas-phase decomposition of NO₂ 2NO₂ (9) 2NO (g) + 0₂ (9) Temperature Initial (K) NO₂ 600 0.0010 0.0020 0.0020 600 700 Initial Rate of Decomposition of NO₂ (M/s) 5.4 x 10-7 2.2 x 10 5.2 x 105 Part A If 5.5x10-³ M of NO₂ is introduced into a 1.0 L flask and allowed to decompose at 680 K, how many seconds does it take for the NO₂ concentration to drop to 1.0×10-³ M? Express your answer using two significant figures. 195| ΑΣΦΑ += 1.5.10³ BI ? Submit Previous Answers Request Answer Review | Constants | Periodic Tab * Incorrect; Try Again; One attempt remaining

Consider the following data for the gas-phase decomposition of NO₂ 2NO₂ (9) 2NO (g) + 0₂ (9) Temperature Initial (K) NO₂ 600 0.0010 0.0020 0.0020 600 700 Initial Rate of Decomposition of NO₂ (M/s) 5.4 x 10-7 2.2 x 10 5.2 x 105 Part A If 5.5x10-³ M of NO₂ is introduced into a 1.0 L flask and allowed to decompose at 680 K, how many seconds does it take for the NO₂ concentration to drop to 1.0×10-³ M? Express your answer using two significant figures. 195| ΑΣΦΑ += 1.5.10³ BI ? Submit Previous Answers Request Answer Review | Constants | Periodic Tab * Incorrect; Try Again; One attempt remaining

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Consider the following data for the gas-phase decomposition of
NO₂:
2NO₂ (g) → 2NO(g) + O₂(g)
Temperature
(K)
600
600
700
Initial
[NO₂]
Initial Rate of Decomposition of
NO₂ (M/s)
0.0010
5.4 x 10-7
0.0020
2.2 x 10-6
0.0020 5.2 x 105
▾ Part A
If 5.5x10-3 M of NO₂ is introduced into a 1.0 L flask and allowed to decompose at 680 K, how many seconds does it take for the NO₂ concentration to drop to
1.0x10-² M?
Express your answer using two significant figures.
195] ΑΣΦΑΛΙ
AX
+= 1.5.10³
→
R
Submit Previous Answers Request Answer
?
* Incorrect; Try Again; One attempt remaining
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S

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Step 1: Determination of variables given

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Step 2: Determination of order of reaction

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Step 3: Determination of rate constant at 680 K

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Step 4: Determination of time required to drop the NO2 concentration to 1.0×10−3 M

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Part A Consider the following data for the gas-phase decomposition of NO2: 2NO2 (g) → 2NO (g) + O2 (g) If 5.5×10-3 M of NO2 is introduced into a 1.0 L flask and allowed to decompose at 670 K , how many seconds does it take for the NO2 concentration to drop to 1.0x10-3 M ? Initial Rate of Decomposition of Temperature (K) Initial [NO2] NO2 (M/s) Express your answer using two significant figures. 600 0.0010 5.4 x 10-7 600 0.0020 2.2 x 10–6 ? -5 700 0.0020 5.2 x 10 %3D S Submit Previous Answers Request Answer
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