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Thermodynamics : Gibbs Free Energy Example

By: Sal Khan

Determining if a reaction is spontaneous by calculating the change in Gibbs Free Energy.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Waves and optics : Snell's Law Example 1

By: Sal Khan

Snell's Law Example 1

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : Circuits (part 3)

By: Sal Khan

Resistors in parallel

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : More rigorous Gibbs Free Energy/ Spontaneity Rela...

By: Sal Khan

More formal understanding of why a negative change in Gibbs Free Energy implies a spontaneous, irreversible reaction.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Fluids : Fluids (part 12)

By: Sal Khan

Complete example of a Bernoulli's Equation exercise.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : Magnetism 5

By: Sal Khan

Magnetic force on a wire carrying current.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : The dot product

By: Sal Khan

Introduction to the vector dot product.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Fluids : Fluids (part 1)

By: Sal Khan

What a fluid is. Difference between liquids and gasses (both fluids).

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Waves and optics : Parabolic Mirrors 2

By: Sal Khan

Parabolic Mirrors 2

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Thermodynamics (part 5)

By: Sal Khan

Example problem involving PV=nRT

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Heat of Formation

By: Sal Khan

Standard heat of formation or standard enthalpy change of formation.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Thermodynamics (part 1)

By: Sal Khan

Intuition of how gases generate pressure in a container and why pressure x volume is proportional to the combined kinetic energy of the molecules in the volume.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Fluids : Fluids (part 11)

By: Sal Khan

Clarification of the problem in part 10

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Hess's Law and Reaction Enthalpy Change

By: Sal Khan

Using Hess's Law and standard heats of formation to determine the enthalpy change for reactions

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : Calculating dot and cross products wit...

By: Sal Khan

Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Thermodynamics (part 3)

By: Sal Khan

Introduction to Kelvin. Example of a problem involving the ideal gas law

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Proof: S (or Entropy) is a valid state variable

By: Sal Khan

Prroof that S (or entropy) is a valid state variable.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : Cross Product 2

By: Sal Khan

A little more intuition on the cross product.

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Thermodynamics : Stoichiometry of a Reaction in Solution

By: Sal Khan

Stoichiometry of a Reaction in Solution

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Electricity and magnetism : Electrostatics (part 2)

By: Sal Khan

Electric Fields

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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