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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You make the following voltage measurements at four different temperatures.
Temperature (°C):
13
30
48
70
Eocell (V):
1.247
1.242
1.237
1.231
Calculate the ΔGorxn at each of these temperatures:
There is a net passage of 3.5 ✕ 1018 electrons by a point in a wire conductor in 0.30 s. What is the current in the wire?
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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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