Download presentation

Presentation is loading. Please wait.

Published byLawson Jex Modified over 2 years ago

1
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 1 of 19 Philip Dutton University of Windsor, Canada Prentice-Hall © 2002 Chapter 1: MatterIts Properties and Measurement General Chemistry Principles and Modern Applications Petrucci Harwood Herring 8 th Edition

2
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 2 of 19 Contents P Physical properties and states of matter P Système International Units P Uncertainty and significant figures P Dimensional analysis

3
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 3 of 19 Properties of Matter Matter: Occupies space, has mass and inertia Composition:Parts or components ex. H 2 O, 11.9% H and 88.81% O Properties:Distinguishing features physical and chemical properties

4
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 4 of 19 States of Matter

5
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 5 of 19 Classification of Matter

6
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 6 of 19 Separations

7
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 7 of 19 Separating Mixtures mixture Chromatography

8
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 8 of 19 Significant Figures Number 6.29 g g eggs = Count from left from first non-zero digit. Adding and subtracting. Use the number of decimal places in the number with the fewest decimal places Significant Figures infinite various 13.4

9
Prof G. I. Csonka General Chemistry: Chapter 1 Slide 9 of 19 Significant figures Multiplying and dividing. Use the fewest significant figures Rounding Off 3 rd digit is increased if 4 th digit 5 Report to 3 significant figures = =

10
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 10 of 19 Units S.I. Units Lengthmetre, m MassKilogram, kg Timesecond, s TemperatureKelvin, K QuantityMole, 6.022×10 23 mol -1 Derived Quantities ForceNewton, kg m s -2 PressurePascal, kg m -1 s -2 EenergyJoule, kg m 2 s -2 Other Common Units LengthAngstrom, Å, cm VolumeLitre, L, m 3 EnergyCalorie, cal, J Pressure 1 Atm = kPa 1 Atm = 760 mm Hg

11
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 11 of 19

12
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 12 of 19 Temperature

13
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 13 of 19 Relative Temperatures

14
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 14 of 19 Volume

15
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 15 of 19 Density = m/V m=V V=m/ g/mL Mass and volume are extensive properties Density is an intensive property

16
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 16 of 19 Conversion What is the mass of a cube of osmium that is 1.25 inches on each side? Have volume, need density = 22.48g/cm 3

17
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 17 of 19 Wrong units The Gimli Glider, Q86, p30

18
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 18 of 19 Uncertainties Systematic errors. –Thermometer constantly 2°C too low. Random errors –Limitation in reading a scale. Precision –Reproducibility of a measurement. Accuracy –How close to the real value.

19
Prentice-Hall © 2002 General Chemistry: Chapter 1 Slide 19 of 19 End of Chapter Questions 1, 3, 5, 12, 14, 17, 18, 20, 30, 41, 49, 50, 61, 72, 74, 79

Similar presentations

© 2016 SlidePlayer.com Inc.

All rights reserved.

Ads by Google