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Chemistry In Focus

6th Edition
Tro + 3 others
Publisher: Cengage Learning
ISBN: 9781305084476

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BuyFindarrow_forward

Chemistry In Focus

6th Edition
Tro + 3 others
Publisher: Cengage Learning
ISBN: 9781305084476
Chapter 2, Problem 2.2YT
Textbook Problem
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Converting Between Units

Convert 34.0 cm to inches.

Interpretation Introduction

Interpretation:

The unit of length given in centimeters is to be converted to inches.

Concept Introduction:

Dimensional analysis is used to set up and solve a unit conversion problem using conversion factors. Dimensional analysis is a way to convert the units of measurement. In order to convert one unit to another, the relationship between those units needs to be known. These relationships are called conversion factors.

For conversion between units, we are given a quantity in a certain unit and we have to find that quantity in another unit. This type of conversion takes the following form:

(quantity given)×(conversion factor)=(quantity sought)

Conversion factor is a fraction in which the unit to which the quantity is to be converted is kept in the numerator and the unit from which the quantity is to be converted, it is kept in the denominator.

Explanation of Solution

Given information: 34.0 cm

The conversion factor between inches and centimeters is as follows:

1 inch = 2.54 centimeters

According to the definition, the conversion factor is 1 inch2.54 cm.

Multiply the conversion factor with the given quantity as follows:

34

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Chemistry In Focus
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