Understanding Phase Changes: Liquid to Gas (Evaporation)

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What happens during evaporation?

Molecules at the surface gain enough energy to enter the gaseous state

Why does evaporation occur at any temperature?

Because air particles collide with the liquid providing energy for molecules to escape

What is the relationship between temperature and evaporation?

The warmer something is, the faster evaporation occurs

What occurs during boiling?

<p>Molecules throughout the liquid gain enough energy to enter the gaseous state</p> Signup and view all the answers

What happens to the temperature when a liquid boils?

<p>It remains constant until all molecules turn into a gas</p> Signup and view all the answers

What is the average velocity of particles in air at standard conditions?

<p>480 meters per second</p> Signup and view all the answers

How do high-speed particles contribute to molecular impacts on any individual particle?

<p>They account for about 90% of all impacts.</p> Signup and view all the answers

What is the primary driver of Brownian motion?

<p>Thermal energy</p> Signup and view all the answers

What is the main factor that influences the rate of diffusion?

<p>Concentration gradient</p> Signup and view all the answers

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