
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN: 9781259696527
Author: J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher: McGraw-Hill Education
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Transcribed Image Text:For a test of enzyme-catalyzed kinetics, the following data were recorded
0
product
(°C) (mmoVmL) (mmol/mL-min)
30 0.1
30 0.033
30 0.02
30 0.01
30 0.005
49.6 0.1
49.6 0.033
49.6 0.01
49.6 0.0067
49.6 0.005
2.63
1.92
1.47
0.96
0.56
5.13
3.70
1.89
1.43
1.11
a. Determine the M-M constants (VMAx and KM) and the specific rate of product formation (kcaT) for the
reaction at 30 oC and at 49.6 °C. Use the Lineweaver-Burke plot to determine the constants,
b. Demonstrate the effect of the temperature change from 30 °C to 49.6 °C by plotting the measured
reaction rate vs. the substrate concentration (a plot of the M-M curves). Indicate that the enzyme activity
is in the temperature activation region or in the temperature deactivation region
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