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1. The Chemical World(0)

The Scientific Method
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2. Measurement and Problem Solving(0)

Scientific Notation
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SI Units (Simplified)
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Metric Prefixes
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Significant Figures (Simplified)
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Significant Figures: Precision in Measurements
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Significant Figures: In Calculations
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Conversion Factors (Simplified)
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Dimensional Analysis
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Density
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Density of Non-Geometric Objects
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3. Matter and Energy(0)

Classification of Matter
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States of Matter
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Physical & Chemical Changes
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Chemical Properties
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Physical Properties
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Temperature (Simplified)
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Law of Conservation of Mass
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Nature of Energy
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First Law of Thermodynamics
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Endothermic & Exothermic Reactions
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Heat Capacity
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Thermal Equilibrium (Simplified)
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Intensive vs. Extensive Properties
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4. Atoms and Elements(0)

The Atom (Simplified)
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Subatomic Particles (Simplified)
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Isotopes
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Ions (Simplified)
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Atomic Mass (Simplified)
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Periodic Table: Element Symbols
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Periodic Table: Classifications
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Periodic Table: Group Names
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Periodic Table: Representative Elements & Transition Metals
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Periodic Table: Phases (Simplified)
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Periodic Table: Main Group Element Charges
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Atomic Theory
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Rutherford Gold Foil Experiment
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5. Molecules and Compounds(0)

Law of Definite Proportions
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Periodic Table: Elemental Forms (Simplified)
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Naming Monoatomic Cations
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Naming Monoatomic Anions
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Polyatomic Ions
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Naming Ionic Compounds
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Writing Formula Units of Ionic Compounds
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Naming Acids
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Naming Binary Molecular Compounds
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Molecular Models
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Calculating Molar Mass
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6. Chemical Composition(0)

Empirical Formula
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Molecular Formula
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Mole Concept
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Mass Percent
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7. Chemical Reactions(0)

Chemical Reaction: Chemical Change
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Balancing Chemical Equations (Simplified)
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Solubility Rules
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Electrolytes (Simplified)
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Molecular Equations
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Types of Chemical Reactions
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Complete Ionic Equations
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Gas Evolution Equations (Simplified)
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8. Quantities in Chemical Reactions(0)

Stoichiometry
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Limiting Reagent
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Percent Yield
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Thermochemical Equations
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9. Electrons in Atoms and the Periodic Table(0)

Wavelength and Frequency (Simplified)
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Electromagnetic Spectrum (Simplified)
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Bohr Model (Simplified)
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Emission Spectrum (Simplified)
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Electronic Structure
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Electronic Structure: Shells
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Electronic Structure: Subshells
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Electronic Structure: Orbitals
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Electronic Structure: Electron Spin
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Electronic Structure: Number of Electrons
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The Electron Configuration (Simplified)
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The Electron Configuration: Condensed
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Ions and the Octet Rule
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Valence Electrons of Elements (Simplified)
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Periodic Trend: Metallic Character
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Periodic Trend: Atomic Radius (Simplified)
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Periodic Trend: Ionization Energy (Simplified)
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Periodic Trend: Electron Affinity (Simplified)
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Electron Arrangements
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The Electron Configuration: Exceptions (Simplified)
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10. Chemical Bonding(0)

Lewis Dot Symbols (Simplified)
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Ionic Bonding
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Covalent Bonds
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Lewis Dot Structures: Neutral Compounds (Simplified)
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Bonding Preferences
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Multiple Bonds
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Lewis Dot Structures: Multiple Bonds
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Lewis Dot Structures: Ions (Simplified)
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Lewis Dot Structures: Exceptions (Simplified)
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Resonance Structures (Simplified)
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Valence Shell Electron Pair Repulsion Theory (Simplified)
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Electron Geometry (Simplified)
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Molecular Geometry (Simplified)
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Bond Angles (Simplified)
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Dipole Moment (Simplified)
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Molecular Polarity (Simplified)
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11 Gases(0)

Pressure Units
(0)

Kinetic Molecular Theory
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The Ideal Gas Law
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The Ideal Gas Law Derivations
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The Ideal Gas Law Applications
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Chemistry Gas Laws
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Chemistry Gas Laws: Combined Gas Law
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Standard Temperature and Pressure
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Dalton's Law: Partial Pressure (Simplified)
(0)

Gas Stoichiometry
(0)

12. Liquids, Solids, and Intermolecular Forces(0)

Intermolecular Forces (Simplified)
(0)

Intermolecular Forces and Physical Properties
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Atomic, Ionic and Molecular Solids
(0)

Heating and Cooling Curves
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13. Solutions(0)

Solutions
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Solubility and Intermolecular Forces
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Solutions: Mass Percent
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Molarity
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Osmolarity
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Solubility: Temperature Effect
(0)

Intro to Henry's Law
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Dilutions
(0)

Solution Stoichiometry
(0)

Molality
(0)

The Colligative Properties
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Boiling Point Elevation
(0)

Freezing Point Depression
(0)

Osmosis
(0)

14. Acids and Bases(0)

Acid-Base Introduction
(0)

Arrhenius Acid and Base
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Bronsted Lowry Acid and Base
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Acid and Base Strength
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The pH Scale
(0)

Auto-Ionization
(0)

pH of Strong Acids & Bases
(0)

Acid-Base Reactions
(0)

Buffers
(0)

Strong Acid Strong Base Titrations (Simplified)
(0)

15. Chemical Equilibrium(0)

Rate of Reaction
(0)

Energy Diagrams
(0)

Chemical Equilibrium
(0)

The Equilibrium Constant
(0)

Le Chatelier's Principle
(0)

Solubility Product Constant (Ksp)
(0)

16. Oxidation and Reduction(0)

Calculate Oxidation Numbers
(0)

Redox Reactions
(0)

Spontaneous Redox Reactions
(0)

Balancing Redox Reactions: Acidic Solutions
(0)

Balancing Redox Reactions: Basic Solutions
(0)

Galvanic Cell (Simplified)
(0)

17. Radioactivity and Nuclear Chemistry(0)

Types of Radiation
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Alpha Decay
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Beta Decay
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Gamma Emission
(0)

Positron Emission
(0)

Radioactive Half-Life
(0)

Measuring Radioactivity
(0)

8. Quantities in Chemical Reactions

Limiting Reagent

8. Quantities in Chemical Reactions

Limiting Reagent: Videos & Practice Problems

Video Lessons Practice Worksheet

Limiting Reagent Practice Problems

14 problems

Problem 1Multiple Choice

What is the limiting reagent in a chemical reaction?

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Problem 2Multiple Choice

How does the limiting reagent differ from the excess reagent?

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Problem 3Multiple Choice

In a reaction where 50 grams of NaCl are used, how many moles of NaCl are present? (Molar mass of NaCl = 58.44 g/mol)

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Problem 4Multiple Choice

For the reaction: N₂ + 3H₂ → 2NH₃, if you start with 28 grams of N₂ and 6 grams of H₂, what is the theoretical yield of NH₃ in grams? (Molar masses: N₂ = 28 g/mol, H₂ = 2 g/mol, NH₃ = 17 g/mol)

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Problem 5Multiple Choice

In the reaction: 4Fe + 3O₂ → 2Fe₂O₃, how many moles of Fe₂O₃ are produced from 8 moles of Fe?

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Problem 6Multiple Choice

Why is a stoichiometric chart useful when dealing with multiple reactants?

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Problem 7Multiple Choice

For the reaction: 2Al + 3Cl₂ → 2AlCl₃, if you start with 5 moles of Al and 6 moles of Cl₂, what is the theoretical yield of AlCl₃ in moles?

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Problem 8Multiple Choice

Which statement best describes the role of the limiting reagent in a chemical reaction?

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Problem 9Multiple Choice

What happens to the excess reagent in a chemical reaction?

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Problem 10Multiple Choice

In the reaction: 2SO₂ + O₂ → 2SO₃, if you start with 5 moles of SO₂ and 3 moles of O₂, which is the limiting reagent?

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Problem 11Multiple Choice

In the reaction: 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O, how many moles of CO₂ are produced from 5 moles of C₄H₁₀?

Problem 12Multiple Choice

What is a key difference between a stoichiometric chart and traditional stoichiometry?

Problem 13Multiple Choice

In the reaction: 2NO + O₂ → 2NO₂, if you have 3 moles of NO and 2 moles of O₂, which is the limiting reagent?

Problem 14Multiple Choice

For the reaction: 3H₂ + N₂ → 2NH₃, if you start with 6 moles of H₂ and 2 moles of N₂, what is the theoretical yield of NH₃ in moles?

Stoichiometry Practice Problems Percent Yield Practice Problems

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Limiting Reagent: Videos & Practice Problems

Limiting Reagent Practice Problems

Helpful Calculators for These Questions

Molar Ratio Calculator

Percent Yield Calculator

Theoretical Yield Calculator

Actual Yield Calculator