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Ch.1 Matter and MeasurementsWorksheetSee all chapters
All Chapters
Ch.1 Matter and Measurements
Ch.2 Atoms and the Periodic Table
Ch.3 Ionic Compounds
Ch.4 Molecular Compounds
Ch.5 Classification & Balancing of Chemical Reactions
Ch.6 Chemical Reactions & Quantities
Ch.7 Energy, Rate and Equilibrium
Ch.8 Gases, Liquids and Solids
Ch.9 Solutions
Ch.10 Acids and Bases
Ch.11 Nuclear Chemistry
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
What is Chemistry?
The Scientific Method
Classification of Matter
States of Matter
Physical & Chemical Changes
Chemical Properties
Physical Properties
Intensive vs. Extensive Properties
Temperature (Simplified)
Scientific Notation
SI Units (Simplified)
Metric Prefixes
Significant Figures (Simplified)
Significant Figures: Precision in Measurements
Significant Figures: In Calculations
Conversion Factors (Simplified)
Dimensional Analysis
Specific Gravity
Density of Geometric Objects
Density of Non-Geometric Objects

A physical change involves a change in the phases of matter, whereas a chemical change involves a change in chemical bonds. 

Physical vs Chemical Changes

Concept #1: Physical Changes

Example #1: Which Change is a physical change?

Concept #2: Chemical Changes

Example #2: Which of the following is a chemical change?

Practice: Which of the following is a physical change?

Concept #3: Reversible & Irreversible Changes

Concept #4: Irreversible Change

Example #3: Are the following processes reversible or irreversible?

Practice: Which of the following represents a reversible change?