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6:48
Chemistry 6.5 Stoichiometry (Part 1 of 2)
Chemistry 6.5 Stoichiometry (Part 1 of 2)
Chemistry 6.5 Stoichiometry (Part 1 of 2)
Part 1 of this Stoichiometry lesson introduces how to use a mole ratio from a balanced chemical equation.
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9:03
Chemistry 3.3 Periodic Trends
Chemistry 3.3 Periodic Trends
Chemistry 3.3 Periodic Trends
We examine periodic trends of atomic size, ionization energy and electronegativity. These concepts are defined and trends are explained in terms of nuclear c...
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7:15
Chemistry 9.2 What are Electrolytes?
Chemistry 9.2 What are Electrolytes?
Chemistry 9.2 What are Electrolytes?
This lesson looks at what an electrolyte is and also serves as an introduction to the concepts of dissociation, dissolving and solvation. This lesson is cont...
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6:39
Chemistry 9.11 Reactions between Ions in Solution
Chemistry 9.11 Reactions between Ions in Solution
Chemistry 9.11 Reactions between Ions in Solution
This lesson discusses how to identify spectator ions and write net ionic equations to set up reactions in aqueous solutions.
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7:00
Chemistry 4.7 Bond Polarity
Chemistry 4.7 Bond Polarity
Chemistry 4.7 Bond Polarity
This lesson explains polar bonds and nonpolar bonds, and also describes how to determine bond polarity using electronegativity. Using the difference in elect...
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3:16
Chemistry 5.7 Empirical Formulas
Chemistry 5.7 Empirical Formulas
Chemistry 5.7 Empirical Formulas
This lesson explains what empirical formulas are and how to determine the empirical formula from the molecular formula.
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7:54
Chemistry 1.1 Matter and Properties (Part 1 of 2)
Chemistry 1.1 Matter and Properties (Part 1 of 2)
Chemistry 1.1 Matter and Properties (Part 1 of 2)
Lesson on Matter and Physical Properties. Properties are further defined as intensive or extensive. Part 1 of 2. Part 2 of 2: http://www.youtube.com/watch?v=...
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5:36
Chemistry 12.1 What are Acids and Bases? (Part 1 of 2)
Chemistry 12.1 What are Acids and Bases? (Part 1 of 2)
Chemistry 12.1 What are Acids and Bases? (Part 1 of 2)
This introduction to acids and bases discusses their general properties and explains the Arrhenius definitions for acids and bases. Part 2 of this video disc...
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9:11
Chemistry 4.9 Intermolecular Forces
Chemistry 4.9 Intermolecular Forces
Chemistry 4.9 Intermolecular Forces
This lesson discusses what intermolecular (van der Waals) forces are and why they occur. We look at Dipole-Dipole interactions, Hydrogen bonding and London D...
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5:15
Chemistry 7.4a Boyle's Law
Chemistry 7.4a Boyle's Law
Chemistry 7.4a Boyle's Law
This lesson discusses the relationship between pressure and volume of a gas. We use the equation P1V1=P2V2 as well as discuss how Kinetic Molecular Theory ex...
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7:03
Chemistry 10.2 Specific Heat Capacity
Chemistry 10.2 Specific Heat Capacity
Chemistry 10.2 Specific Heat Capacity
This lesson relates heat to a change in temperature. We discuss how the amount of heat needed for a temperature change is dependent on mass and the substance...
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7:09
Chemistry 12.6b Calculating Titrations
Chemistry 12.6b Calculating Titrations
Chemistry 12.6b Calculating Titrations
This lesson shows how to carry out calculations for titrations and neutralization reactions to find the concentration of an unknown acid or base. We also dis...
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10:10
Chemistry 11.6 Equilibrium
Chemistry 11.6 Equilibrium
Chemistry 11.6 Equilibrium
This lesson introduces equilibrium as a condition where the forward and reverse reaction rates are equal. We also explain how the concentrations remain const...
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5:32
Chemistry 8.4 Boiling Point
Chemistry 8.4 Boiling Point
Chemistry 8.4 Boiling Point
This lesson connects vapor pressure to boiling point, and discusses why there are different boiling points at different elevations.
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4:40
Chemistry 5.10 Percent Composition
Chemistry 5.10 Percent Composition
Chemistry 5.10 Percent Composition
This lesson demonstrates how to find the percent composition of a substance from its formula, and from mass data.
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9:32
Chemistry 5.11 Determining Formulas from Mass
Chemistry 5.11 Determining Formulas from Mass
Chemistry 5.11 Determining Formulas from Mass
In this lesson, we show how to find empirical formulas and molecular formulas when given percent composition data, or composition by mass.
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6:46
Chemistry 13.1 Oxidation and Reduction
Chemistry 13.1 Oxidation and Reduction
Chemistry 13.1 Oxidation and Reduction
This lesson introduces the Electrochemistry (Redox) unit by explaining what the terms oxidation and reduction mean, and how they relate to the transfer of el...
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6:30
Chemistry 9.2b More on Electrolytes
Chemistry 9.2b More on Electrolytes
Chemistry 9.2b More on Electrolytes
This lesson goes into greater detail about electrolytes, including the difference between ionic compounds and polar covalent electrolytes. It also distinguis...
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8:55
Chemistry 7.6 Dalton's Law of Partial Pressures
Chemistry 7.6 Dalton's Law of Partial Pressures
Chemistry 7.6 Dalton's Law of Partial Pressures
A lesson on how to use Dalton's Law of Partial Pressures.
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7:20
Chemistry 6.6 Limiting Reagent (Limiting Reactant)
Chemistry 6.6 Limiting Reagent (Limiting Reactant)
Chemistry 6.6 Limiting Reagent (Limiting Reactant)
This lesson introduces what a limiting reagent is, and how to perform stoichiometry when one reactant is limiting or in excess.
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5:28
Chemistry 6.1 Using Chemical Equations
Chemistry 6.1 Using Chemical Equations
Chemistry 6.1 Using Chemical Equations
An introduction to the information that can be found in a basic chemical equation. This lesson also discusses what a catalyst is and shows an example of a ca...
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7:14
Chemistry 9.6 Solubility and Concentration
Chemistry 9.6 Solubility and Concentration
Chemistry 9.6 Solubility and Concentration
How to describe the amount of solute in a solution. We look at relative terms such as dilute and concentrated, and compare them to more quantitative descript...
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3:22
Chemistry 9.7 Molarity
Chemistry 9.7 Molarity
Chemistry 9.7 Molarity
An introduction to molarity and solving for molarity, moles or liters.