Experiment for Kinetics – The Iodine Clock Reaction Results A1+B in 10 degree: Trial 1: it took 200.4 seconds to turn from clear to purple, trail 2: was 245.4 seconds to turn purple, trail 3: it took 202.8 seconds to turn purple, and trail 4: was 206.4 seconds to turned from clear and purple. Results A2+B in 25 degree: Trial 1: it took 87.7 seconds to turn from clear to purple, trail 2: was 84.36 seconds to turn purple, trail 3: it took 89.51 seconds to turn purple, and trail 4: was 85.54 seconds to turned from clear and purple. Results A3+B of 35 degrees: Trial 1: it took 32.19 seconds to turn from clear to purple after 35 degrees in a hot water bath, trail 2: after in a 35 degrees hot bath was 35.88 seconds to turn purple, trail 3: which was 37.61 seconds to turn purple after a in a hot bath of 35 degrees, and trail 4: was 41.34 seconds to turned from clear and purple after 35 degrees in a water bath. Results A4+B in 45 degree: Trial 1: it took 18.08 seconds to turn from clear to purple, trail 2: was 14.32 seconds to turn purple, trail 3: it took 19.45 seconds to turn purple, and trail 4: was 22.77 seconds to turned from clear and purple.   a) To your graph add a linear best fit line. Display the equation on the chart. This equation is the y = mx + b form of the Arrhenius equation. b) Using the slope, estimate the activation energy, Ea, for the iodine clock reaction.

Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.61PAE
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Experiment for Kinetics – The Iodine Clock Reaction

Results A1+B in 10 degree: Trial 1: it took 200.4 seconds to turn from clear to purple, trail 2: was 245.4 seconds to turn purple, trail 3: it took 202.8 seconds to turn purple, and trail 4: was 206.4 seconds to turned from clear and purple.

Results A2+B in 25 degree: Trial 1: it took 87.7 seconds to turn from clear to purple, trail 2: was 84.36 seconds to turn purple, trail 3: it took 89.51 seconds to turn purple, and trail 4: was 85.54 seconds to turned from clear and purple.

Results A3+B of 35 degrees: Trial 1: it took 32.19 seconds to turn from clear to purple after 35 degrees in a hot water bath, trail 2: after in a 35 degrees hot bath was 35.88 seconds to turn purple, trail 3: which was 37.61 seconds to turn purple after a in a hot bath of 35 degrees, and trail 4: was 41.34 seconds to turned from clear and purple after 35 degrees in a water bath.

Results A4+B in 45 degree: Trial 1: it took 18.08 seconds to turn from clear to purple, trail 2: was 14.32 seconds to turn purple, trail 3: it took 19.45 seconds to turn purple, and trail 4: was 22.77 seconds to turned from clear and purple.

 

a) To your graph add a linear best fit line. Display the equation on the chart. This equation is the y = mx + b form of the Arrhenius equation.

b) Using the slope, estimate the activation energy, Ea, for the iodine clock reaction.

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