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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General Chemistry ( Question - 2) =====================
Consider the gaseous reaction below. N2g) + 2 H20(g) -- 2 NO(g) + 2 H2(a) Ke=1.0 x 109 at 10 °C Complete the sentence. If initially, the concentration of N2 is 1.3 M and 2.1 M for water vapor, OA the x is small approximation cannot be made because 2x is greater than 5% of 2.1. B. the x is small approximation can be made because x is less than 5% of 1.3. C. the x is small approximation can be made because 2x is greater than 5% of 2.1. O D. the x is smail approximation cannot be made because x is greater than 5% of 1.3. O E. none of the above