Industrial Plastics: Theory and Applications
6th Edition
ISBN: 9781285061238
Author: Lokensgard, Erik
Publisher: Delmar Cengage Learning
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Chapter 6, Problem 6.1Q
Interpretation Introduction
Interpretation:
The seven base units present in the SI metric system are to be named.
Concept Introduction:
SI metric system is the International System of Units which is used as the system of measurement for different quantities. For the metric system, it is the modern form and contains coherent system for the measuring units. It is based on seven base units along with a set of twenty prefixes which are used to specify the multiples and fractions of the base units.
Expert Solution & Answer
Answer to Problem 6.1Q
The seven base units for the SI metric system are meter, kilogram, second, kelvin, ampere, candela, and mole.
Explanation of Solution
The seven base units of the SI metric system are written below along with the quantities for which they are used and the symbols which are used to represent these units.
| Quantity | Base Unit | Symbol |
| 1. Length | meter | m |
| 2. Mass | kilogram | kg |
| 3. Time | second | s |
| 4. temperature | kelvin | K |
| 5. Electric current | ampere | A |
| 6. Luminous intensity | candela | cd |
| 7. Amount of substance | mole | mol |
For additional measurements, these base units are combined as required to derive the necessary units.
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2. A moving bed adsorption column needs to be designed to separate hydrophobic proteins
from a fermentation broth. The following adsorption equilibrium data was observed in
preliminary isotherm studies. The resin used was activated carbon with a porosity of 0.2. The
overall mass transfer coefficient was determined to be 10 h¹, and the ratio of volumetric flow
rate of broth to resin is 10. Determine the diameter of the column if the column height is
limited to 2.5 m (indoor operation) with a flow rate of 20 m³/h, influent concentration of 7
g/L, and effluent concentration of 0.1 g/L.
qi (mg/kg)
Ci (g/L)
0.1
4.7
7.5
0.25
10.6
0.5
15.0
1.0
23.7
2.5
33.5
5.0
41.1
7.5
3. You are given a mixture of four proteins, whose properties are listed in the table below.
Propose a process to purify each protein so that you end up with four solutions of pure
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Contains an N-terminal His6-tag. Two 50 kDa subunits
contain a non-heme Fe2+ in the active site.
Protein Size (kDa) pl
Specific Properties
A
100
6.0
B
40
7.7
C
240
8.3
Ꭰ
225
5.5
Contains FAD redox center and an NADH binding
domain.
Composed of six 40-kDa subunits, each of which
contains a [2Fe-2S] cluster.
Composed of three subunits: 100 kDa structural subunit,
75 kDa subunit with a molybdopterin center, and 50 kDa
subunit with FAD and an NADH binding domain.
Chapter 6 Solutions
Industrial Plastics: Theory and Applications
Ch. 6 - Prob. 6.1QCh. 6 - Prob. 6.2QCh. 6 - Prob. 6.3QCh. 6 - Prob. 6.4QCh. 6 - Prob. 6.5QCh. 6 - Prob. 6.6QCh. 6 - Prob. 6.7QCh. 6 - Prob. 6.8QCh. 6 - Prob. 6.9QCh. 6 - Prob. 6.10Q
Ch. 6 - Prob. 6.11QCh. 6 - Prob. 6.12QCh. 6 - Prob. 6.13QCh. 6 - Prob. 6.14QCh. 6 - Prob. 6.15QCh. 6 - Prob. 6.16QCh. 6 - Prob. 6.17QCh. 6 - Prob. 6.18QCh. 6 - Prob. 6.19QCh. 6 - Prob. 6.20QCh. 6 - Prob. 6.21QCh. 6 - Prob. 6.22QCh. 6 - Prob. 6.23QCh. 6 - Prob. 6.24QCh. 6 - Prob. 6.25QCh. 6 - Prob. 6.26QCh. 6 - Prob. 6.27QCh. 6 - Prob. 6.28Q
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