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Nov 8
Water is a chemical compound composed of two hydrogen atoms bonded to one oxygen atom. Its chemical formula is H2O.
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Google Gemini AI
Nov 8
Chemical Composition
Water is a chemical compound composed of two hydrogen atoms and one oxygen atom, with the molecular formula H2O.
Elemental Composition
- Hydrogen (H): 11.19% by weight
- Oxygen (O): 88.81% by weight
Physical Properties
- Density: 1 g/cm³ at 4°C
- Melting point: 0°C (32°F)
- Boiling point: 100°C (212°F) at sea level
- Surface tension: 72.86 mN/m at 20°C
- Viscosity: 1.002 mPa·s (centipoise) at 20°C
- Specific heat capacity: 4.187 J/g°C
- Electrical conductivity: Pure water is a poor electrical conductor, but dissolved ions can increase conductivity.
Other Important Constituents
In natural water, various dissolved or suspended substances can be present, including:
- Dissolved gases: Oxygen, nitrogen, carbon dioxide
- Minerals: Calcium, magnesium, sodium, potassium, chloride, sulfate
- Organic matter: Bacteria, algae, dissolved organic carbon
- Particles: Sand, silt, clay
Water is a chemical compound composed of two hydrogen atoms and one oxygen atom, with the molecular formula H2O.
Elemental Composition
- Hydrogen (H): 11.19% by weight
- Oxygen (O): 88.81% by weight
Physical Properties
- Density: 1 g/cm³ at 4°C
- Melting point: 0°C (32°F)
- Boiling point: 100°C (212°F) at sea level
- Surface tension: 72.86 mN/m at 20°C
- Viscosity: 1.002 mPa·s (centipoise) at 20°C
- Specific heat capacity: 4.187 J/g°C
- Electrical conductivity: Pure water is a poor electrical conductor, but dissolved ions can increase conductivity.
Other Important Constituents
In natural water, various dissolved or suspended substances can be present, including:
- Dissolved gases: Oxygen, nitrogen, carbon dioxide
- Minerals: Calcium, magnesium, sodium, potassium, chloride, sulfate
- Organic matter: Bacteria, algae, dissolved organic carbon
- Particles: Sand, silt, clay
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