Electron microscopy
Hydrogen Bonding-type Substances
- Practical Electron Microscopy and Database -
- An Online Book -
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This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.


As listed in Table 3215, substances with large bonding energies usually have high melting temperatures.

Table 3215. Bonding energies and melting temperatures of hydrogen bonding-type substances.

Bonding type

Bonding energy
Melting point (°C)
kJ/mol kcal/mol eV/Atom, Ion, or Molecule
Typical value 10-40      
NH3 35 8.4 0.36 -78
H2O 51 12.2 0.52 0

Note that page3239 describes the correlation between the bonding energies and melting temperatures of different substances.




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