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When a substance is cooled what happens to its particles how does cooling affect the volume of the substance?
When a substance is cooled, its particles lose kinetic energy and move more slowly, causing them to come closer together. This reduction in particle movement typically results in a decrease in the volume of the substance, as the particles occupy less space. In most cases, this leads to the substance contracting; however, exceptions exist, such as water, which expands upon freezing.
What happens when to particles of a substance when it condenses?
Particle Movement decreases.
What happens to cooled particles inside of a solid?
the particle will vibrate more slowly around its position.
What happens when gas cool down?
When cooled enough it will condense into a liquid. The required temperature changes with the substance.
What is the smallest particle a substance?
An atom is the smallest particle of a substance.
Change 3 explain what happens to the identity of a substance in a physical change 4- explain what causes a substance to change from one state to another 5- explan what happens to particle size?
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When using the particle model of matter to describe what happens to the density of a substance when it cools?
The density of the substance becomes higher because of the particles slow down and move closer together when the substance cools.
If you add heat energy to a substance what happens to the speed of the particle motion?
The particle speed increases.The energy increases; the speed increases.
What substance is a substance in which there is only one type of particle?
a pure substance
What substance particle has no charge and about the same mass as a proton?
This particle is the neutron.
What is the smallest particle of a substance with all the properties of the substance?
atoms
What is a the smallest particles of a substance?
An atom is the smallest particle of a substance.
