The evaporation of the liquid by heating.
The higher the vapor pressure of a liquid at a given temperature, the lower the normal boiling point (i.e., the boiling point at atmospheric pressure) of the liquid.
its boiling
its boiling
Increased heat or reduced pressure or both.
A liquid will boil when its vapor pressure equals the atmospheric pressure.
When charging refrigerant as vapor, the refrigerant is added to the system in its gaseous form. As the vapor enters the system, it needs to condense into a liquid in order to increase the pressure. This condensation process causes the pressure to decrease initially before the pressure starts to rise as more vapor enters and condenses into liquid form.
When the vapor pressure equals atmospheric pressure at the surface of a liquid, it has reached its boiling point. This is the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on it by the surrounding atmosphere, causing the liquid to change into vapor.
The temperature at which the vapor pressure of the liquid equals the atmospheric pressure is called THE BOILING POINT.
If the temperature of the liquid is raised, more molecules escape to the vapor until equilibrium is once again established. The vapor pressure of a liquid, therefore, increases with increasing temperature.
Vapor pressure is related to the boiling point because the boiling point is the temperature at which the vapor pressure of a liquid equals the atmospheric pressure. When the vapor pressure of a liquid reaches the same pressure as the surrounding atmosphere, the liquid will boil and turn into a gas.
The pressure inside the bubbles of a boiling liquid is equivalent to the vapor pressure of the liquid at that particular temperature. As the liquid heats up, the vapor pressure increases until it matches the surrounding atmospheric pressure, causing bubbles to form and the liquid to boil.
The temperature at which the vapor pressure of a liquid equals the external pressure is called the boiling point. This is when the liquid changes into vapor at a constant temperature.