2. PhET Simulations: Gas Properties Solid, Liquid, Gas

4. Three types of intermolecular forces for neutral molecules: London Dispersion forces van der Waals forces Dipole-dipole forces Hydrogen bonding Also important in solution: Ion-dipole forces

5. Dipole-dipole forces

7. London dispersion forces:

10. Hydrogen bonding:

13. 2-10 kJ/mol 2-10 kJ/mol 5-25 kJ/mol 15 kJ/mol >200 kJ/mol

18. Critical Points from that bastion of quality video - YouTubeYouTube

21. Copper Sulfate

22. Alum

23. Apatite

24. Amethyst

25. Quartz - crystalline Silica or quartz glass - amorphous