Boiling Point Calculator
Calculate at Different Pressures
Calculate boiling points for various substances at different atmospheric pressures using the Antoine equation.
Calculator
Selected: Water (H₂O)
Category: Common | Standard BP: 100°C at 1 atm
About Boiling Point
The boiling point is the temperature at which vapor pressure equals atmospheric pressure.
Key Points:
- Varies with pressure
- Substance-specific property
- Higher altitude = lower BP
- Used in distillation
Available Substances
Total: 20 substances
Categories:
- Common liquids
- Alcohols
- Aromatics
- Alkanes
- Halogenated
- Gases
- Metals
Pressure Units
atm: Standard atmosphere
kPa: Kilopascal (SI unit)
mmHg: Millimeters of mercury
bar: 100 kPa
Features
- 20+ substances
- Antoine equation
- Multiple pressure units
- Temperature conversion
- Copy results
- Category filtering
Applications
Chemistry: Distillation processes
Engineering: Process design
Cooking: High-altitude adjustments
Industry: Separation techniques
Antoine Equation
Empirical relation between vapor pressure and temperature:
log₁₀(P) = A - B/(C + T)
Where A, B, C are substance-specific constants.
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