GEN COMBO CHEMISTRY: ATOMS FIRST; ALEKS 360 2S ACCESS CARD CHEMISTRY:ATOMS FIRST
GEN COMBO CHEMISTRY: ATOMS FIRST; ALEKS 360 2S ACCESS CARD CHEMISTRY:ATOMS FIRST
3rd Edition
ISBN: 9781260020229
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Chapter 1.3, Problem 6PPA
Interpretation Introduction

Interpretation:

The density of the empty container should be calculated with giving the appropriate significant figure.

Concept Introduction:

Density: The density of the substance is calculated using the formula:

density = massvolume

For the given set of calculations the significant figures and their correct measurement has to be given.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures –calculation rules

  • Significant figure is a non-zero number (4443.2 has five significant figures)
  • Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
  • Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
  • Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
  • Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures).  In this cases use scientific notation to avoid ambiguity.

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Chapter 1 Solutions

GEN COMBO CHEMISTRY: ATOMS FIRST; ALEKS 360 2S ACCESS CARD CHEMISTRY:ATOMS FIRST

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