Chem 110A Videos

***Students should attempt the problems first and then watch the videos if they are having trouble!***

Chapters and Topics

Chapter 1

Addition and Subtraction Rules

Multiplication and Division Rules

Counting Sig Figs

Combination Problems

Standard Exponential Form

Multiplication and Division of Exponential Numbers

Addition and Subtraction of Exponentials

Algebra Review

Percentages

Chapter 2

Conversion Factors

Conversion Factors Metric System

Temperature Conversion

Derived Unit Conversions

Chapter 3

Isotopes

Isotopes and Ions

Ion Formation

Ionic Compound Formation

Ionic Compounds with Polyatomics

Ions From Ionic Compounds

ID Bonding Types

Chapter 5

Molar Mass

Density of Solids

Gas Volume

Concentration

General Problems

The Dozen and the Mole

Chapter 7

Balancing Equations

Limiting Reagent with Moles

Mass Reaction Problems

Mass Limiting Reagents

Mole-to-Mole Ratios

Chapter 8

Percent Composition Problems

Empirical Formula

Mass Percent Composition

Sample Final Exam Problems

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