2. Cyclobutane can decompose to form ethylene: C,H,(g) 2 C,H,(g) The cyclobutane concentration can be measured as a function of time by mass spectrometry (see graph). 0.24 0.20 0.16 0.12 0.08 0.04 20 40 60 80 100 Time (s) a) Write an expression for the rate of reaction in terms of a changing concentration. b) Calculate the average rate of reaction between 10 and 30 s. ) Calculate the instantaneous rate of reaction after 20 s. d) Calculate the initial rate of reaction. Concentration (M)
2. Cyclobutane can decompose to form ethylene: C,H,(g) 2 C,H,(g) The cyclobutane concentration can be measured as a function of time by mass spectrometry (see graph). 0.24 0.20 0.16 0.12 0.08 0.04 20 40 60 80 100 Time (s) a) Write an expression for the rate of reaction in terms of a changing concentration. b) Calculate the average rate of reaction between 10 and 30 s. ) Calculate the instantaneous rate of reaction after 20 s. d) Calculate the initial rate of reaction. Concentration (M)
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 12QRT: Cyclobutane can decompose to form ethylene:
The cyclobutane concentration can be measured as a...
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Transcribed Image Text:2. Cyclobutane can decompose to form ethylene:
C,H,(g)2 C,H,(g)
The cyclobutane concentration can be measured as a function of time by mass spectrometry (see graph).
0.24
0.20
0.16
0.12
0.08
0.04
20
40
60
80
100
Time (s)
a) Write an expression for the rate of reaction in terms of a changing concentration.
b) Calculate the average rate of reaction between 10 and 30 s.
c) Calculate the instantaneous rate of reaction after 20 s.
d) Calculate the initial rate of reaction.
Concentration (M)
Transcribed Image Text:e) Calculate the instantaneous rate of formation of ethylene 40 s after the start of the reaction.
Time (h)
INOJ Imel/
Time Ch)
DOlmol/L)
0.00
0.849
3.00
0.352
0.50
0.733
4.00
0.262
1,00
0.633
5.00
0.196
2.00
0.472
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