Khan Academy on a Stick
Estados de la materia
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States of Matter (ES)
ccIntroduction to the states or phases of matter.
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States of Matter Follow-Up (EN)
ccMore on Plasma and Hydrogen bonds.
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Specific Heat, Heat of Fusion and Vaporization (ES)
Specifict heat and phase changes: Calculating how much heat is needed to convert 200g of ice at -10C to 110 degree steam.
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Chilling Water Problem (ES)
How much ice at -10 degrees C is necessary to get 500g of water down to 0 degrees C?
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Phase Diagrams (ES)
Understanding and interpreting phase diagrams
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Van Der Waals Forces (ES)
ccVan Der Waals Forces: London Dispersion Forces, Dipole Attractions, and Hydrogen Bonds.
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Covalent Networks, Metallic, and Ionic Crystals (EN)
Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures.
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Vapor Pressure (ES)
Vapor Pressure, Volatility, and Evaporation
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Suspensions, Colloids and Solutions (ES)
Suspensions, Colloids and Solutions. The difference between Molarity and Molality.
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Solubility (ES)
Solubility of salt and gas solutes in liquid solvent.
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Boiling Point Elevation and Freezing Point Suppression (ES)
Raising or lowering the boiling or freezing point of a solution by adding solute.
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Change of State Example (EN)
Specific Heat Capacity and Enthalpy of Vaporization example