Understanding the phase of a substance is one of the materials in chemistry. Every substance in this world has a phase.
The substance will have a certain phase under certain conditions as well. So, what exactly is a phase in chemistry? Check out the following explanation.
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What is the Definition of a Substance Phase?
Launching from Chemistry Libre Text, a phase is a different and homogeneous state of a system that has no boundaries.
Thus, the phase will not appear to separate a system into several parts. In simple terms, the phase will describe how the shape or form of a gas.
Phase will be very useful in helping to explain the event of a change of state of a substance. These changes in form include sublimation, freezing, condensing, evaporating, to melting.
There are different phases of substances that occur naturally in nature. However, there are four most common types namely gases, plasmas, solids, and liquids.
Solid or Solid Substance Phase
This first type is a solid or what is often referred to as a solid. Substances with this solid phase have molecules that are tightly bound together.
Launching from the Encyclopedia Britannica, the solid phase has the ability to withstand the forces on it, either perpendicularly or parallel to its surface.
Examples of objects that have a solid phase at room temperature are wood, stone, sugar, soil, sand, and metals.
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Liquid Substance Phase
Then there is the liquid phase. This definition of the liquid phase has the form of a liquid composed of molecules that are less dense.
Substances in the liquid phase have a shape that follows the shape of the container under the influence of gravity. Although the shape of the liquid phase follows the shape of the container, the substance still has a fixed volume.
Some examples of objects with a liquid phase at room temperature are water, blood, honey, milk, and even bromine.
Gas Substance Phase
Launching from the NASA Glenn Research Center, the gas phase is a substance that has very weak molecular forces. This gas phase also takes on the same shape and volume as the container.
This happens because the molecular force is weak enough to make the gas molecules move freely and fill the container.
Then, the volume of the gas can increase and decrease according to the volume of the container.
You can find the gas phase at room temperature in things like carbon dioxide, oxygen, hydrogen, helium, xenon, radon, nitrogen, and ozone.
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Plasma Substance Phase
The last is the plasma phase. If launched from the Plasma Science and Fusion Center of the Massachusetts Institute of Technology, plasma is a material that is so hot that electrons are released from atoms to form ionized gases.
The term plasma itself is rarely heard than other types of phase substances. However, plasma is the most abundant phase of matter in this solar system.
The center of the solar system, namely the Sun which is made of plasma. So that almost 99 percent of our solar system is formed from plasma.
Other examples of understanding the phases of plasma substances other than the Sun are lightning, stars, gas, neon lights, and comet tails. (R10/HR-Online)
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