smithmalyk4
08.01.2021 •
Chemistry
Do any water molecules become gas particles when the vapor pressure is lower than atmospheric pressure? Why or why not?
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Ответ:
Yes, water molecules becomes gas particles when the vapor pressure is lower than the external atmospheric temperature.
Explanation:
Vapor pressure is defined as the pressure of the vapor that lies above its surface. In other words, it is the pressure of the vapor which results from the evaporation of a liquid which is above a liquid in a closed or open container.
The liquid starts boiling or evaporation takes place when the vapor pressure of the liquid becomes equal to the external or atmospheric pressure. Now when the vapor pressure is less than the atmospheric pressure, the liquid boils at a higher temperature while when vapor pressure is more than the atmospheric temperature, the liquid starts boiling a lower temperature.
Ответ:
B.) The half-life of a radioactive nucleus is the time it takes for HALF of the nuclei in a sample to decay.
I hope this helps!