Use the data from experimental trials 1 and 2. When the concentration of C2H5OH doubles from 0.15M to 0.30M, what happens to the initial rate? What kinetic order is present? Use experiments 2 and 3. When the concentration of Cr2O72- doubles from 0.050 M to 0.10 M, what happens to the initial rate? What kinetic order is presentWhen the concentration of H+ increases from 0.010M to 0.100 M, what happens to the initial rate? What kinetic order is present? Use experimental trials 2 and 4. Using the data from experiment 1, solve the reaction rate constant, K. Calculate the overall reaction order.

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
Section11.1: Reaction Rate
Problem 11.2CE: Instantaneous rates for the reaction of hydroxide ion with Cv+ can be determined from the slope of...
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Questions:

  1. Use the data from experimental trials 1 and 2. When the concentration of C2H5OH doubles from 0.15M to 0.30M, what happens to the initial rate? What kinetic order is present?
  2. Use experiments 2 and 3. When the concentration of Cr2O72- doubles from 0.050 M to 0.10 M, what happens to the initial rate?
  3. What kinetic order is presentWhen the concentration of H+ increases from 0.010M to 0.100 M, what happens to the initial rate? What kinetic order is present? Use experimental trials 2 and 4.
  4. Using the data from experiment 1, solve the reaction rate constant, K.
  5. Calculate the overall reaction order.

 

B. The portable breathalyzers used to check suspects for drunk driving uses the
oxidation of ethyl alcohol by dichromate ion in the test:
Initial Rate (M min-1)
Exptl.
Trial
Initial concentration (M)
[C2H5OH]
[Cr,O,2-]
[H*]
5.0 x 10-4
1.0 x 10-3
2.0 x 10-3
1
0.15
0.050
0.010
0.30
0.050
0.010
3
0.30
0.100
0.010
4
0.30
0.050
0.100
1.0 x 10-3
Transcribed Image Text:B. The portable breathalyzers used to check suspects for drunk driving uses the oxidation of ethyl alcohol by dichromate ion in the test: Initial Rate (M min-1) Exptl. Trial Initial concentration (M) [C2H5OH] [Cr,O,2-] [H*] 5.0 x 10-4 1.0 x 10-3 2.0 x 10-3 1 0.15 0.050 0.010 0.30 0.050 0.010 3 0.30 0.100 0.010 4 0.30 0.050 0.100 1.0 x 10-3
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