t's a hot day and water droplets have formed on the outside of a cold water bottle. Using the particle model explain why, including:what change of state has occurredwhether the change is caused by energy being lost or gainedwhether the particles are speeding up or slowing down overallwhy the particles are spreading apart or sticking together
Question
t's a hot day and water droplets have formed on the outside of a cold water bottle. Using the particle model explain why, including:what change of state has occurredwhether the change is caused by energy being lost or gainedwhether the particles are speeding up or slowing down overallwhy the particles are spreading apart or sticking together
Solution
The phenomenon you're describing is known as condensation, which is a change of state from gas to liquid.
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Change of State: The change of state that has occurred is condensation. The water vapor in the warm air comes into contact with the cold surface of the water bottle and changes from a gas (water vapor) to a liquid (water droplets).
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Energy Transfer: This change is caused by energy being lost. When the water vapor particles hit the colder surface of the water bottle, they lose energy.
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Speed of Particles: As a result of losing energy, the particles slow down. In the gaseous state, particles move quickly and freely. When they lose energy and condense into a liquid, they slow down and move less freely.
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Particle Movement: The particles are sticking together. In the gaseous state, particles are spread out and move independently. When they lose energy and become a liquid, they move closer together and start to stick to each other, forming droplets on the outside of the bottle.
So, in summary, the warm air around the cold water bottle causes water vapor to lose energy and condense into liquid droplets, slowing down and sticking together in the process.
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