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Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
ISBN: 9781337398909

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Section
BuyFindarrow_forward

Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
ISBN: 9781337398909
Textbook Problem

1.25 Describe a miscommunication that can arise because units are not included as part of the information.

Interpretation Introduction

Interpretation:

Describe the importance of reporting units.

Concept introduction:

  • Numbers without units will not have enough data to define a measurement.
Explanation

Consider an example:

Temperature is the measurement of the average kinetic energy of molecules. There are several types of scale which are based on different thermodynamic concepts. Typically, they were based on the freezing point of water, brines, and the temperature of a standard or even of boiling points of substances as well as the absolute zero. The systems used to define a degree, “°” as conveniently, therefore, each system has a different basis.

A statement of what is the temperature of the car without units might have the following miscommunication...

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