1. 03-59-140-01 General Chemistry I
Lectures: M W F 12:30 - 1:20 p.m.
Professor: Dr. David Tramontozzi
Section 1: Room OD104
Office Hours: Monday and Friday :00-11:30 for now.
Location: Essex Hall Rm (Chemistry Resource Room) for now.
Contact:
Text: General Chemistry Edition Author: Petrucci, Harwood, Herring    Publisher: Pearson
General Chemistry: Chapter 1
Prentice-Hall © 2002

2. Laboratory Requirements
Students need to purchase the following items from around the university before they come to the labs (starting September 26th):
1.- Laboratory manual (Document Services)
$10.00-$15.00
2.- Breakage card (Cashiers Office)
$25.00
3.- Safety glasses (Bookstore)
$ 5.00
Lab Coats
Required, $30.00
Essex Hall Lab D 12:00-3:00pm MWF
See Jenny or Sharonna
General Chemistry: Chapter 1
Prentice-Hall © 2002

3. Chapter 1: Matter—Its Properties and Measurement
General Chemistry
Principles and Modern Applications
Petrucci • Harwood • Herring
8th Edition
Chapter 1: Matter—Its Properties and Measurement
General Chemistry: Chapter 1
Prentice-Hall © 2002

4. General Chemistry: Chapter 1
Chemistry 140 Fall 2002
Contents
Physical properties and states of matter
Système International Units
Uncertainty and significant figures
Dimensional analysis
General Chemistry: Chapter 1
Prentice-Hall © 2002

5. General Chemistry: Chapter 1
Properties of Matter
Matter: Occupies space, has mass and inertia
Composition: Parts or components ex. H2O, 11.19% H and 88.81% O
by mass
Properties: Distinguishing features
physical and chemical properties
General Chemistry: Chapter 1
Prentice-Hall © 2002

6. General Chemistry: Chapter 1
Chemistry 140 Fall 2002
States of Matter
Examples of physical changes. The chemical composition remains constant.
General Chemistry: Chapter 1
Prentice-Hall © 2002

7. Classification of Matter
YES
Physical
Separation ?
Chemical
Separation ?
Uniform
Throughout ? NO
YES
YES NO
General Chemistry: Chapter 1
Prentice-Hall © 2002

8. General Chemistry: Chapter 1
Separations
Filtration
Distillation
Paper Chromatography
General Chemistry: Chapter 1
Prentice-Hall © 2002

9. General Chemistry: Chapter 1
Separating Mixtures
Chromatography
mixture
As the mixture moves through the stationary phase, the components are separated based on their retention time.
General Chemistry: Chapter 1
Prentice-Hall © 2002

10. General Chemistry: Chapter 1
Significant Figures
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.
1.14
0.6
11.676 
Number
6.29 g g
9.0
1.0  10-8
100 eggs
100 g
 =
Significant
Figures 3 3 2 2
Infinite (exact)
13.4
bad notation
various
General Chemistry: Chapter 1
Prentice-Hall © 2002

11. General Chemistry: Chapter 1
Significant figures
Multiplying and dividing.
Use the fewest significant figures.
Rounding Off
3rd digit is increased if
4th digit  5
Report to 3 significant figures.     .
10.2
12.5
19.8
15.7 
= 0.512
= 5.12  10-3
General Chemistry: Chapter 1
Prentice-Hall © 2002

12. General Chemistry: Chapter 1
Units
S.I. Units
Length metre, m
Mass Kilogram, kg
Time second, s
Temperature Kelvin, K
Quantity Mole, ×1023 mol-1
Derived Quantities (based on SI units)
Force Newton, kg m s-2
Pressure Pascal, kg m-1 s-2
Energy Joule, kg m2 s-2
Other Common Units
Length Angstrom, Å, 10-8 cm
Volume Litre, L, 10-3 m3
Energy Calorie, cal, J
Pressure 1 Atm = x 102 kPa
1 Atm = 760 mm Hg
General Chemistry: Chapter 1
Prentice-Hall © 2002

13. General Chemistry: Chapter 1
SI Prefixes
General Chemistry: Chapter 1
Prentice-Hall © 2002

14. General Chemistry: Chapter 1
Temperature
T(K) = t(°C)
t(°C) = 5/9 [t(°F) – 32]
General Chemistry: Chapter 1
Prentice-Hall © 2002

15. Relative Temperatures
Boiling Point
of Water
Hot Day
Melting Point
of Ice
Very Cold Day
Boiling Point of Liquid Nitrogen
Absolute Zero
General Chemistry: Chapter 1
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16. General Chemistry: Chapter 1
Volume
General Chemistry: Chapter 1
Prentice-Hall © 2002

17. = m/V m = Vd V = m/d g/mL Density
Mass and volume are extensive properties
Density is an intensive property
Independent on the quantity of matter present
Dependent on the quantity of matter present
General Chemistry: Chapter 1
Prentice-Hall © 2002

18. Conversion
What is the mass of a cube of osmium that is 1.25 inches on each side?
Have volume, need density
= g/cm3
Does the answer make sense ??
General Chemistry: Chapter 1
Prentice-Hall © 2002

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

20. General Chemistry: Chapter 1
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.
General Chemistry: Chapter 1
Prentice-Hall © 2002

21. End of Chapter Questions
1, 3, 5, 12, 14, 17,18, 20, 30, 35, 41, 49, 50, 61, 72, 74, 79.
General Chemistry: Chapter 1
Prentice-Hall © 2002