A very good source of organic chemistry terms , reactions and mechanics of different functional groups,
Example
acetals
acetoacetic ester alkylation
acceptor reactant in the aldol reaction
achirality
achiral diastereomer
aci-anions from nitroalkanes
acid-base catalysis
acid-base equilibria
acidity constant Ka
acidity
equilibrium acidity
solvent effects DMSO pKa'a
carbon acids
hydrogens
stereoelectronic factors in enolization
kinetic acidity
base catalyzed isotope exchange
of nitroalkanes
structural reorganization factor
hybridization
inductive effects
resonance stabilization of carboxylate anion
super acid
activating substituents
activation energy
...............and so on, good learning stuff...java
http://www.cem.msu.edu/~reusch/VirtualText/intro1b.htm (http://www.cem.msu.edu/~reusch/VirtualText/intro1b.htm)