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Comprehensive Study Guidance for GOB Chemistry Mock Exam

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Study Guide - Learn with Videos

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Physical & Chemical Changes

  • Physical & Chemical Changes Example 2
    01:52
  • Physical & Chemical Changes
    03:40
  • Physical & Chemical Changes Example 1
    01:52

Density

  • Density
    01:56
  • Density Example 1
    05:30

Significant Figures (Simplified)

  • Significant Figures (Simplified) Example 2
    01:09
  • Significant Figures (Simplified) Example 1
    00:58
  • Significant Figures (Simplified) Concept 2
    04:40

Scientific Notation

  • Scientific Notation
    02:50
  • Scientific Notation
    01:41
  • Scientific Notation Example 1
    01:53

Metric Prefixes

  • Metric Prefixes Example 1
    03:33
  • Metric Prefixes
    03:59
  • Metric Prefixes
    01:16

Law of Definite Proportions

  • Law of Definite Proportions Example 1
    02:00
  • Law of Definite Proportions Example 2
    02:26
  • Law of Definite Proportions
    02:48

The Atom (Simplified)

  • The Atom (Simplified) Concept 2
    02:53
  • The Atom (Simplified) Concept 1
    01:44
  • The Atom (Simplified) Example 1
    02:52

Subatomic Particles (Simplified)

  • Subatomic Particles (Simplified) Concept 1
    01:25
  • Subatomic Particles (Simplified) Concept 2
    02:36
  • Subatomic Particles (Simplified) Example 1
    03:31

Isotopes

  • Isotopes
    04:36
  • Isotopes Example 1
    03:57

Ions (Simplified)

  • Ions (Simplified) Concept 1
    00:53
  • Ions (Simplified) Concept 2
    01:59
  • Ions (Simplified) Example 1
    02:22

Atomic Mass (Simplified)

  • Atomic Mass (Simplified) Concept 2
    01:51
  • Atomic Mass (Conceptual) Concept 1
    01:13
  • Atomic Mass (Conceptual) Example 1
    02:06

Periodic Table: Element Symbols

  • Periodic Table: Symbols Concept
    04:01
  • Periodic Table: Symbols Example 1
    01:01

Periodic Table: Classifications

  • Periodic Table: Classifications
    01:12
  • Periodic Table: Classifications
    02:40
  • Periodic Table: Classifications
    03:37

Periodic Table: Group Names

  • Periodic Table: Group Names
    05:33
  • Periodic Table: Group Names Example 1
    01:17

Periodic Table: Representative Elements & Transition Metals

  • Periodic Table: Representative Elements & Transition Metals Example 1
    01:23
  • Periodic Table: Representative Elements & Transition Metals
    03:30

Atomic Theory

  • Atomic Theory
    05:22
  • Atomic Theory Example 1
    01:48

Ions and the Octet Rule (Simplified)

  • Ions and the Octet Rule (Simplified) Example 2
    01:30
  • Ions and the Octet Rule (Simplified) Example 1
    00:35
  • Ions and the Octet Rule (Simplified) Concept 1
    02:50

Valence Electrons of Elements (Simplified)

  • Valence Electrons of Elements (Simplified) Example 1
    01:14
  • Valence Electrons of Elements (Simplified) Concept 1
    01:55

Lewis Dot Symbols (Simplified)

  • Lewis Dot Symbols (Simplified) Example 1
    00:50
  • Lewis Dot Symbols (Simplified) Concept 1
    00:52
  • Lewis Dot Symbols (Simplified) Example 2
    01:18

Periodic Trend: Atomic Radius (Simplified)

  • Periodic Trend: Atomic Radius (Simplified) Example 1
    01:07
  • Periodic Trend: Atomic Radius (Simplified) Concept 2
    01:06
  • Periodic Trend: Atomic Radius (Simplified) Concept 1
    02:02

Periodic Trend: Ionic Radius (Simplified)

  • Periodic Trend: Ionic Radius (Simplified) Concept 1
    02:47
  • Periodic Trend: Ionic Radius (Simplified) Example 1
    01:32

Periodic Trend: Ionization Energy (Simplified)

  • Periodic Trend: Ionization Energy (Simplified) Example 1
    00:40
  • Periodic Trend: Ionization Energy (Simplified) Concept 2
    01:25
  • Periodic Trend: Ionization Energy (Simplified) Concept 1
    02:13

Periodic Trend: Electron Affinity (Simplified)

  • Periodic Trend: Electron Affinity (Simplified) Example 1
    01:24
  • Periodic Trend: Electron Affinity (Simplified) Concept 2
    01:14
  • Periodic Trend: Electron Affinity (Simplified) Concept 1
    01:56

Periodic Trend: Metallic Character

  • Periodic Trend: Metallic Character
    01:08
  • Periodic Trend: Metallic Character Example 1
    00:56
  • Periodic Trend: Metallic Character
    00:38

Ionic Bonding

  • Ionic Bonding Example 2
    01:06
  • Ionic Bonding Example 1
    01:16
  • Ionic Bonding Concept 1
    02:33

Naming Monoatomic Cations

  • Naming Monoatomic Cations Example 1
    00:56
  • Naming Monoatomic Cations Concept 1
    01:24
  • Naming Monoatomic Cations Concept 2
    03:28

Naming Monoatomic Anions

  • Naming Monoatomic Anions Concept 1
    01:42
  • Naming Monoatomic Anions Example 1
    00:37

Polyatomic Ions

  • Polyatomic Ions
    01:16
  • Polyatomic Ions Example 3
    01:08
  • Polyatomic Ions
    01:26

Naming Ionic Compounds

  • Naming Ionic Compounds
    01:52
  • Naming Ionic Compounds Example 1
    01:01
  • Naming Ionic Compounds
    02:11

Writing Formula Units of Ionic Compounds

  • Writing Formula Units of Ionic Compounds Concept 1
    01:46
  • Writing Formula Units of Ionic Compounds Concept 2
    03:09
  • Writing Formula Units of Ionic Compounds Example 1
    00:34

Naming Acids

  • Naming Acids
    02:15
  • Naming Acids
    02:49
  • Naming Acids Example 1
    02:21

Lewis Dot Structures: Neutral Compounds (Simplified)

  • Lewis Dot Structures: Neutral Compounds (Simplified) Example 1
    02:49
  • Lewis Dot Structures: Neutral Compounds (Simplified) Concept 1
    00:37

Multiple Bonds (Simplified)

  • Multiple Bonds (Simplified) Example 1
    00:44
  • Multiple Bonds (Simplified) Concept 1
    01:09

Lewis Dot Structures: Multiple Bonds

  • Lewis Dot Structures: Multiple Bonds Example 1
    02:55
  • Lewis Dot Structures: Multiple Bonds Concept 1
    01:57

Lewis Dot Structures: Ions (Simplified)

  • Lewis Dot Structures: Ions (Simplified) Concept 1
    03:11

Chemical Reaction: Chemical Change

  • Chemical Reaction: Chemical Change Example 2
    01:24
  • Chemical Reaction: Chemical Change Example 1
    00:49
  • Chemical Reaction: Chemical Change Concept 2
    02:04

Law of Conservation of Mass

  • Law of Conservation of Mass Example 1
    01:20
  • Law of Conservation of Mass
    01:48

Balancing Chemical Equations (Simplified)

  • Balancing Chemical Equations (Simplified) Example 1
    04:21
  • Balancing Chemical Equations (Simplified) Concept 1
    01:32

Types of Chemical Reactions

  • Types of Chemical Reactions Example 1
    01:40
  • Types of Chemical Reactions Concept 1
    04:07

Calculate Oxidation Numbers

  • Calculate Oxidation Numbers Example 4
    01:22
  • Calculate Oxidation Numbers Example 2
    01:38
  • Calculate Oxidation Numbers
    02:42

Redox Reactions

  • Redox Reactions Example 1
    02:17
  • Redox Reactions
    01:53
  • Redox Reactions
    01:01

Empirical Formula

  • Empirical Formula
    02:26
  • Empirical Formula Example 1
    05:11

Molecular Formula

  • Molecular Formula Example 1
    05:03
  • Molecular Formula
    02:08

Calculating Molar Mass

  • Calculating Molar Mass
    01:10
  • Calculating Molar Mass Example 1
    03:12

Mole Concept

  • Mole Concept
    02:41
  • Mole Concept Example 3
    01:41
  • Mole Concept Example 1
    01:28

Mass Percent

  • Mass Percent Example
    01:21
  • Mass Percent Concept
    00:38

Stoichiometry

  • Stoichiometry
    01:16
  • Stoichiometry
    03:04
  • Stoichiometry Example 1
    05:53

Limiting Reagent

  • Limiting Reagent
    01:30
  • Limiting Reagent Example
    6:38
  • Limiting Reagent
    01:34

Percent Yield

  • Percent Yield
    03:09
  • Percent Yield Example 1
    04:43

Solutions

  • Solutions Example 2
    01:16
  • Solutions
    02:38
  • Solutions Example 1
    00:42

Percent Concentrations

  • Percent Concentrations Example 1
    00:55
  • Percent Concentrations Concept 1
    00:52
  • Percent Concentrations Example 2
    01:22

Molarity

  • Molarity Example 1
    01:46
  • Molarity
    01:13
  • Molarity
    00:53

Buffers

  • Buffer Solutions
    03:02
  • Buffer Creation Methods
    03:04
  • Buffer Solution Example
    02:41

Henderson-Hasselbalch Equation

  • Calculating Buffer Range
    02:35
  • Henderson-Hasselbalch Equation Example
    01:22
  • Henderson-Hasselbalch Equation
    01:22

Acid-Base Introduction

  • Acid-Base Introduction Concept 4
    01:30
  • Acid-Base Introduction Concept 3
    00:33
  • Acid-Base Introduction Example 4
    00:48

Arrhenius Acid and Base

  • Arrhenius Acids & Bases Concept 1
    03:11

Bronsted Lowry Acid and Base

  • Conjugate Base Strength Example
    00:42
  • Comparing Bronsted-Lowry and Arrhenius
    02:17
  • Bronsted-Lowry Acid-Base Theory
    02:08

Acid and Base Strength

  • Acid and Base Strength Concept 4
    01:46
  • Acid and Base Strength Concept 3
    00:50
  • Acid and Base Strength Concept 2
    03:27

Ka and Kb

  • Characteristics of Ka and Kb
    03:50
  • Ka and Kb Example
    01:31
  • Ka and Kb Relationship
    03:01

The pH Scale

  • pH and pOH Calculations
    02:09
  • pH and pOH Example
    01:46
  • pH Calculation Example
    01:30

pH of Strong Acids and Bases

  • Strong Acids and Bases
    02:39
  • pH of Strong Acids and Bases Example
    01:18

Acid-Base Reactions

  • Acid-Base Reactions Concept 1
    03:08
  • Acid-Base Reactions Example 1
    00:52

Strong Acid Strong Base Titrations (Simplified)

  • Strong Acid Strong Base Titrations (Simplified) Concept 2
    01:54
  • Strong Acid Strong Base Titrations (Simplified) Example 1
    02:42
  • Strong Acid Strong Base Titrations (Simplified) Concept 1
    01:02