Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Chapter 3, Problem 3.14QAP
Interpretation Introduction
Interpretation:
The circuit to perform the calculation:
Concept introduction:
The operational amplifiers are the devices that are used to perform mathematical operations such as summing, multiplying, differentiating, and integrating in analogue computers. They are also used for measuring electrical quantities precisely such as voltage, current, and resistance.
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2. Make a graph of the following data points. Is the relationship linear? If so, find the slope and
y-intercept. Are the variables directly proportional?
voltage (V)
1.0
1.5
2.0
mono
2.5
3.0
3.5
4.0
current (A)
3.45 x 10-³
5.02 x 10-3
6.88 x 10-3
8.60 x 10-3
1.01 x 10-2
1.22 x 10-2
1.36 x 10-2
Linear?
Slope
Y-Intercept
Directly proportional?
Calculate the expected voltage
Cd | Cd+2 (0.00050M) || Cd+2 (0.69 M) | Cd
9:01
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When a current of 0.4 A flows for 1.5
micro-seconds in a coper wire, estimate
the number of electrons crossing the
cross-section of the wire
No. of electron= 4.8×10-19
electron
No. of electron= 1.875×1012
electron
No. of electron= 3x10-7
electron
No. of electron= 4.8×10-26
electron
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Chapter 3 Solutions
Principles of Instrumental Analysis
Ch. 3 - Prob. 3.1QAPCh. 3 - Prob. 3.2QAPCh. 3 - Prob. 3.3QAPCh. 3 - Prob. 3.4QAPCh. 3 - Prob. 3.5QAPCh. 3 - Prob. 3.6QAPCh. 3 - Prob. 3.7QAPCh. 3 - Prob. 3.8QAPCh. 3 - Prob. 3.9QAPCh. 3 - Prob. 3.10QAP
Ch. 3 - Prob. 3.11QAPCh. 3 - Prob. 3.12QAPCh. 3 - Prob. 3.13QAPCh. 3 - Prob. 3.14QAPCh. 3 - Prob. 3.15QAPCh. 3 - Prob. 3.16QAPCh. 3 - Prob. 3.17QAPCh. 3 - Prob. 3.18QAPCh. 3 - Prob. 3.19QAPCh. 3 - Prob. 3.20QAPCh. 3 - Prob. 3.21QAPCh. 3 - Prob. 3.22QAPCh. 3 - Prob. 3.23QAPCh. 3 - Prob. 3.24QAPCh. 3 - Prob. 3.25QAP
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