
Concept explainers
(a)
Interpretation:
The equivalency and both conversion factor a) hours and days is to be stated.
Concept introduction:
Equivalency is defined as the two quantities that are equivalent in value. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.

Answer to Problem 20E
The equivalency of a) hours and days is
Conversion factor of a) hours and days is given by;
Explanation of Solution
The two quantities that are equivalent in value is denoted as equivalence. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.
In the expression (1), the conversion factor 1 rod / 0.025 furlong is used to convert a length expressed in furlongs to a length expressed in rods. Two variable, x and y are directly proportional if there is a non-zero constant k which connect them in the form of
A proportionality constant, m is inserted to convert a proportionality into an equality. Such as,
Given expression;
a) hours and days
Based on the above discussion the equivalency and conversion factors are states as follows;
The equivalency of a) hours and days is
Conversion factor of a) minutes and seconds is given by;
Thus, the equivalency and both conversion factor a) hours and days is stated.
(b)
Interpretation:
The equivalency and both conversion factor b) gallons and quarts is to be stated.
Concept introduction:
Equivalency is defined as the two quantities that are equivalent in value. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.

Answer to Problem 20E
The equivalency of b) gallons and quarts is
Conversion factor of b) gallons and quarts is given by;
Explanation of Solution
The two quantities that are equivalent in value is denoted as equivalence. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.
In the expression (1), the conversion factor 1 rod / 0.025 furlong is used to convert a length expressed in furlongs to a length expressed in rods. Two variable, x and y are directly proportional if there is a non-zero constant k which connect them in the form of y = kx. Besides, the relationship is expressed as y α x. In the expression the symbol α is called as ‘is proportional to’.
A proportionality constant, m is inserted to convert a proportionality into an equality. Such as,
Given expression;
b) Gallons and quarts
Based on the above discussion the equivalency and conversion factors are states as follows;
The equivalency of b) gallons and quarts is
Conversion factor of b) gallons and quarts is given by;
Thus, the equivalency and both conversion factor b) gallons and quarts is stated.
Interpretation:
(c)
The equivalency and both conversion factor c) quarters and dollars is to be stated.
Concept introduction:
Equivalency is defined as the two quantities that are equivalent in value. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.

Answer to Problem 20E
The equivalency of c) quarters and dollars is
Conversion factor of c) quarters and dollars is given by;
Explanation of Solution
The two quantities that are equivalent in value is denoted as equivalence. For example: 0.025 furlong is equal to 1 rod. In this case, furlong and rod represent the same physical length but expressed in various units. When an equivalency is denoted as a fractional value it is called ‘conversion factor’. Moreover, two conversion factors result from each equivalency.
In the expression (1), the conversion factor 1 rod / 0.025 furlong is used to convert a length expressed in furlongs to a length expressed in rods. Two variable, x and y are directly proportional if there is a non-zero constant k which connect them in the form of y = kx. Besides, the relationship is expressed as y α x. In the expression the symbol α is called as ‘is proportional to’.
A proportionality constant, m is inserted to convert a proportionality into an equality. Such as
Given expression;
c) quarters and dollars
Based on the above discussion the equivalency and conversion factors are states as follows;
The equivalency of c) quarters and dollars is
Conversion factor of c) quarters and dollars is given by;
Thus, the equivalency and both conversion factor c) quarters and dollars is stated.
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Chapter 3 Solutions
Introduction to Chemistry, Special Edition
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