Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
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Chapter 4, Problem 4.6QAP
Interpretation Introduction
Interpretation:
The best coding scheme to convert to decimal is to be determined.
Concept introduction:
BCD to decimal conversion:
A BCD number can be converted into its decimal equivalent by grouping it into four binary bits starting from LSB towards MSB progressively rightwards and then converting each four-bit binary number into its decimal equivalent.
Binary to decimal conversion:
A decimal equivalent can be obtained from a binary number by summing over decimal place value of each digit of binary, if it is
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For items 7-8 choose the letter of the best answer. No need to write the explanations.
The spectroscopic data in the table is generated with five solutions of known concentration.
Concentration (M)
0.0133
m=
0.0266
0.0532
0.106
0.213
Absorbance
0.1271
What is the intercept of the linear regression line?
0.08531
0.5388
1.069
Use a spreadsheet program, such as Microsoft Excel, to graph the data points and determine the equation of the best-fit line.
1.954
What is the slope of the linear regression line formed by these points?
M-1
1-31. We shall learn when we study molecular spectroscopy that heteronuclear diatomic
molecules absorb radiation in the microwave region and that one determines directly the
so-called rotational constant of the molecule defined by
B =
8721
where I is the moment of inertia of the molecule. Given that B = 3.13 × 105 MHz for H35C1,
calculate the internuclear separation for H35C1. The atomic mass of H and 35C1 are 1.008
and 34.97, respectively.
Chapter 4 Solutions
Principles of Instrumental Analysis, 6th Edition
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