What is the Difference Between Saturated Vapor and Superheated Vapor?
🆚 Go to Comparative Table 🆚The main difference between saturated vapor and superheated vapor lies in their condensation properties and temperature. Here are the key differences:
- Saturated Vapor:
- A vapor that is about to condense.
- Occurs when the liquid and vapor phases coexist in equilibrium.
- At a given temperature, it represents the maximum amount of vapor that a given quantity of air can hold.
- The temperature at which a pure substance changes phase at a given pressure is called the saturation temperature (Tsat).
- Superheated Vapor:
- A vapor that is not about to condense (i.e., not a saturated vapor).
- Separated from the liquid droplets and not able to condense.
- Occurs when the vapor is at a temperature greater than the saturation temperature.
- The pressure and temperature of superheated vapor are independent properties, as the temperature may increase while the pressure remains constant.
In summary, saturated vapor is closer to condensing and exists in equilibrium with its liquid phase, while superheated vapor is at a higher temperature and is not about to condense.
Comparative Table: Saturated Vapor vs Superheated Vapor
The main difference between saturated vapor and superheated vapor lies in their ability to condense and their temperatures. Here is a summary of their differences in a table:
Property | Saturated Vapor | Superheated Vapor |
---|---|---|
Condensation | Can condense | Cannot condense without a finite temperature drop/pressure increase |
Temperature | At the point of condensing | Heated beyond the normal boiling point |
State | Equal evaporation and condensation rates, saturated space | Separated from liquid droplets, not able to condense |
Saturated vapor is at the point where the rate of evaporation becomes equal to the condensation rate, reaching its saturation point. On the other hand, superheated vapor is formed when a solvent is heated beyond its normal boiling point, allowing it to heat materials to temperatures above the normal boiling point of the solvent.
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