Animations                          

Reaction models

Mechanisms

H + H ---> H2  
Molecular geometries
of ethane, ethene, ethyne
 
NH3 + BH3 ---> NH3-BH3  
NH3 + BH3 <--> NH3-BH3  
NH3 + HCl ---> NH4+ + Cl-  
NH3 + HCl <--> NH4+ + Cl-  
Br- + HCl <--> HBr + Cl- (ball&stick) Br- + HCl <--> HBr + Cl-
Br- + HCl <--> HBr + Cl- (space-filled)  
  H2O + HCl ---> H3O+ + Cl-
SN2 SN2
  SN2 & T.S.
  SN2 Rate Diagram
SN1 SN1
  E2
E1 E1
Pyramidal (nitrogen) inversion Aromatic Electrophilic Substitution
  Nucleophilic Acyl
Addition
[R2C=O + Z:- ]
  Nucleophilic Acyl
Substitution
[RYC=O + Z:- ]