Yes... Your understanding is correct... At the dew point, the condensation just starts... and below the bubble point, all vapour will be condensed... (assuming you are talking about vapor of a liquid mixture, not a pure liquid, or air-water mixture)

Thank you so much dear Chamuditha Benaragama

Yes, you are right about the bubble point and the dew point of the solvent. Let me explain in more detail.

The bubble point of a solvent is the temperature at which the first bubble of vapor forms in a liquid solution at a constant pressure. This means that the vapor pressure of the solution is equal to the external pressure, and the solution starts to boil. If the temperature is lower than the bubble point, the vapor pressure of the solution is lower than the external pressure, and no vapor bubbles can form. Therefore, all the solvent vapor will condense back to liquid.

The dew point of a solvent is the temperature at which the first drop of liquid forms in a vapor mixture at a constant pressure. This means that the partial pressure of the solvent in the vapor is equal to its saturation pressure, and the vapor starts to condense. If the temperature of the solvent vapor is lower than the dew point, the partial pressure of the solvent in the vapor is higher than its saturation pressure, and more vapor will condense to liquid. If the temperature is below the bubble point, the partial pressure of the solvent in the vapor is much higher than its saturation pressure, and all the solvent vapor will condense.

You can find more information about these concepts from these sources:

: [Bubble Point and Dew Point] by Pediaa.com, 2023. [Online]. Available: .

: [Dew Point And Bubble Point: Relationship And Detailed Facts] by Lambda Geeks, 2023. [Online]. Available: .

: [Bubbles and Dew] by Google Sites, 2023. [Online]. Available:

https://torche.app/en/che-calculator/bubble-dew-point-calculation

https://lambdageeks.com/dew-point-and-bubble-point/

https://sites.google.com/up.edu.ph/bubblesanddew/home

https://pediaa.com/difference-between-bubble-point-and-dew-point/

https://tessab.net/what-is-the-difference-between-dew-point-and-bubble-point/

Good luck

Thank you dear E.A. Gawad

you are welcome