If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Introduction to the states or phases of matter.
More on plasma and hydrogen bonds.
Specifict heat and phase changes: Calculating how much heat is needed to convert 200g of ice at -10C to 110 degree steam.
How much ice at -10 degrees C is necessary to get 500g of water down to 0 degrees C?
Understanding and interpreting phase diagrams
Van Der Waals Forces: London Dispersion Forces, Dipole Attractions, and Hydrogen Bonds.
Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures.
Vapor Pressure, Volatility, and Evaporation
Suspensions, Colloids and Solutions. The difference between Molarity and Molality.
Solubility of salt and gas solutes in liquid solvent.
Raising or lowering the boiling or freezing point of a solution by adding solute.
Specific Heat Capacity and Enthalpy of Vaporization example