Figure 1. Nitrite concentration versus time for the reaction of ammonium ion with nitrite. Tangent lines at t=0 and 75,000 s indicated in red. nitrite concentration (M) NH4 (aq) + NO₂ (aq) N2(g) + 2 H₂O(l) [NO₂ ]0=0.0050 M [NH4*]0=0.100 M 0.005+ 0.004 0.003 0.002- 0.001 0 t=0 s 50000 100000 Time (s) t = 75,000 s 150000 200000 Critical Thinking Questions 1. What is the instantaneous reaction rate at t=0 seconds? 2. What is the instantaneous reaction rate at = 75,000 seconds? 3. What is the average reaction rate over the first 30,000 second time interval?

Figure 1. Nitrite concentration versus time for the reaction of ammonium ion with nitrite. Tangent lines at t=0 and 75,000 s indicated in red. nitrite concentration (M) NH4 (aq) + NO₂ (aq) N2(g) + 2 H₂O(l) [NO₂ ]0=0.0050 M [NH4*]0=0.100 M 0.005+ 0.004 0.003 0.002- 0.001 0 t=0 s 50000 100000 Time (s) t = 75,000 s 150000 200000 Critical Thinking Questions 1. What is the instantaneous reaction rate at t=0 seconds? 2. What is the instantaneous reaction rate at = 75,000 seconds? 3. What is the average reaction rate over the first 30,000 second time interval?

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

Figure 1. Nitrite concentration versus time for the reaction of ammonium ion with nitrite.
Tangent lines at t= 0 and 75,000 s indicated in red.
nitrite concentration (M)
NH4 (aq) + NO₂ (aq) N2(g) +2 H₂O(l)
[NO₂ ]0=0.0050 M [NH4*]0=0.100 M
0.005
0.004-
0.003-
0.002-
0.001-
t=0 s
50000
100000
Time (s)
t = 75,000 s
150000 200000
Critical Thinking Questions
1. What is the instantaneous reaction rate at t= 0 seconds?
2. What is the instantaneous reaction rate at t= 75,000 seconds?
3. What is the average reaction rate over the first 30,000 second time interval?
4. What is the average reaction rate over the next 30,000 second time interval?
5. How does the rate of reaction change as [NO₂] decreases?
6. Estimate the instantaneous reaction rate at t = 200,000 seconds. Explain your reasoning.

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The decomposition of N2O5 can be described by the equation