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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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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.
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.
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.
