| Videos: 8 results |
Electrostatic Attraction-Liquids Liquids are brought near a charged rod to check for attraction.
Covalent Bonding |
Noncovalent Interactions |
Water / Water Chemistry
|
Hardness of Solid Substances The hardness of various solids are compared.
Covalent Bonding |
Nonmetals |
Physical Properties |
Solids |
Noncovalent Interactions
|
Hardness of Solid Substances - Grinding A number of metals and nonmetals are ground with a mortar and pestle. The nonmetals shown here are all soft (due to weak intermolecular forces), but the metals vary in hardness.
Covalent Bonding |
Nonmetals |
Physical Properties |
Solids |
Metallic Bonding |
Metals
|
Entropy These processes are shown in reverse. The situations shown are so highly improbable that we would not expect to observe them in nature.
Thermodynamics
|
Endothermic Reaction Solid barium hydroxide octahydrate (Ba(OH)2*8H2O) and ammonium thiocyanate (NH4SCN) are mixed in a beaker, which is then placed on a few drops of water on a small board. The reaction that occurs is highly endothermic.
Calorimetry / Thermochemistry |
Thermodynamics
|
Chemiluminescence Luminol and light sticks are demonstrated.
Thermodynamics |
Applications of Chemistry |
Consumer Chemistry
|
TNT Detonation TNT is stable in the presence of shock, but can be detonated by adding a chemical priming agent.
Oxidation / Reduction |
Thermodynamics |
Aromatic Compounds |
Reactions
|
Enthlapy-Thermodynamics Reactions and demonstrations the explore thermodynamic concepts.
Precipitation / Solubility |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Applications of Chemistry |
Acids / Bases |
Physical Properties |
Reactions |
Thermodynamics |
Gases |
Phases / Phase Transitions / Diagrams |
Water / Water Chemistry |
Liquids |
Solids |
pH |
Consumer Chemistry |
Kinetics |
Oxidation / Reduction
|