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Is described as the energy need to break the surface to a liquid like water?
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What is the force needed to overcome intermolecular attractions and break through the surface of a liquid or spread out of the liquid?
surface tention
What is the temperature at which a liquid forms bubbles of vapor that break at the surface?
Boiling Point
Why evaporation is a cooling process?
according to kinetic theory,the temperature is a measure of average kinetic energy of the molecules of a liquid.during evaporation,the escape of high energy molecules from the surface of a liquid,lowers the average kinetic energy of the remaining molecules and therefore,the temperature of the liquids falls down.thus evaporation is a cooling process.
What is it called when heat energy required to break up the attraction of liquid molecules?
When liquid molecules absorb enough heat energy, evaporation occurs.
Is heat added or released during freezing?
This is latent heat. When a liquid freezes heat is released, and when it melts the same amount of energy must be supplied. Similarly when a liquid changes to a vapor, or when a vapor condenses, heat must be supplied or is released. Latent heat varies from one substance to another, and can be quantified as so many calories per gram or kilogram, you can find data in reference tables
What is suface tension?
The amount of energy needed to break the surface of a liquid.
What happen to the particles of a liquid as it vaporizes?
The liquid particles gain energy (usually from thermal energy, i.e. heat) and start to get "excited." This means they vibrate and eventually break away from the surface of the liquid and into the surrounding gas. This particle of matter is still present, but not in liquid form.
What is the term for how difficult it is to stretch or break the surface of a liquid?
surface tension
Why is evaporation a surface phenomenon?
evaporation is called a surface phenomenon because the particles of liquid gain energy from the surroundings , having higher kinetic energy, is able to break the away from the forces of attraction of other particle . that is why it is called a surface phenomenon
Why is evaporation called surface phenomenon?
evaporation is called a surface phenomenon because the particles of liquid gain energy from the surroundings , having higher kinetic energy, is able to break the away from the forces of attraction of other particle . that is why it is called a surface phenomenon
What is the force needed to overcome intermolecular attractions and break through the surface of a liquid or spread out of the liquid?
surface tention
What liquid can break surface tension?
Soap, detergents.
How do solid and liquid water change to water vapour?
Sufficient energy is added to the molecule to break the inter-molecular bonds. First, in a solid, as energy is added, the bonds absorb the energy, and move more vigorously. So our solid heats up, and eventually, the bonds are broken completely free. We now have a liquid. As energy is added to the liquid, individual molecules absorb enough energy to break free of the surface, and evaporate off into space.
Measure of how difficult it is to stretch or break the surface of a liquid?
viscosity
What must particles in a liquid overcome in order to break away from the surface and evaporate?
surface tension
Which form of energy is needed to change water from a liquid to gas?
Heat is applied to water to raise the Kinetic energy of the individual molecules so that they eventually break away from the surface of the liquid state in ever increasing numbers.
What is the temperature at which a liquid forms bubbles of vapor that break at the surface?
Boiling Point
