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The boiling point is defined as the temperature that the liquid spontaneously turns into a vapour throughout the liquid. This is dependent on atmospheric pressure as the higher the pressure the more energy is required to produce the gas /vapour bubbles in the liquid. We see this effect when water boils and the surface is disturbed by the bubbles rising to the surface - it is boiling.
Water boils at a little over 60 oC (140 oF) at the top of Mount Everest but at 100 oC (212 oF) at sea level ie 1 ATM pressure. When water is boiled at a higher location than sea level it will boil at less than 100 oC depending on atmospheric conditions.
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∙ 12y ago
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Why is boiling called a bulk phenomenon?
Boiling occur in the entire volume of a liquid.
Where does boiling take place in a liquid?
Boiling occur in the entire volume of the liquid.
How does vaporization relate to evaporation and boiling.?
Vaporization occur at the boiling point and from the total volume of the liquid.Evaporation occur at any temperature but only from the surface of the liquid.
What is different evaporation and vaporization?
Evaporation occur at the surface of a liquid and at any temperature under the boiling point.Vaporization occur only at the boiling point and in the entire volume of the liquid.
What is liquid to gas evaporation called?
1. When the phenomenon occur at a temperature under the boiling point, at the surface of a liquid, the term is evaporation.2. When the phenomenon occur at the boiling point, in all the volume of the liquid, the term is boiling.
Why is it important to state the pressure at which boiling points occur?
It is important because boiling points are dependent onthe pressure.
What is the temperature for boiling water to start evaporating?
Evaporation occur at any temperature.Boiling occur at 100 oC.
When water boils it evaporates?
Evaporation occur at any temperature, boiling only at the boiling point - 100 oC at standard pressure.
Is evaporation the same as boiling?
they are both vaporization process, but evaporation occur on the surface and boiling occur by forming completed bubbles from the bottom.
Boiling and evaporation are both forms of what?
Boiling and evaporation are both forms of changing liquids into gas. Boiling occurs when the liquid reaches its boiling point, while evaporation can occur at any temperature.
What temperature does boiling water get to when it starts to evaporate?
Evaporation occur at any temperature.
Where gas change occur at the?
The gas is transformed in a liquid under the boiling point.
