) Describe the solid, liquid and gaseous states of matter and explain their interconversion in terms the kinetic particle theory and of the energy changes involved
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Answers
Answer:
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Solid :
Solid means that objects or matter in Shape.
Example :
Wood , water bottle , chair and etc...
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Liquid :
Liquid means that fluid. But Liquid is not fixed shape.
Example :
Oil , Water , and etc..
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gaseous :
gaseous Means that Homogeneous. it's not fixed shape and no fixed volume.
Example :
Air (The air we breathe is gas) and etc ..
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A solid into a liquid :
A solid into a liquid The kinetic energy increases as the solid is heated to convert into liquid. The heat energy is absorbed by the molecules of solid and stored in the form of potential energy. The interparticle spaces between molecules increase. As the space between molecules increases, they move around more, increasing the collision. The inter-particle attraction decreases as the molecules move away from each other.
A liquid into a vapour :
A liquid into a vapour The kinetic energy increases as the liquid is heated to convert into solid. The heat energy is absorbed by the molecules of liquid and stored as potential energy. The interparticle spaces between molecules of liquid increase. As the space between molecules increases, they move around more freely. This increases the collision between molecules, they push apart and escapes gas. The inter-particle attraction decreases as the molecules move away from each other.
Vapour into a liquid :
Vapour [or gas] into a liquid The potential energy stored by vapour molecules is released in the form of heat energy. The interparticle spaces between molecules decrease and they become compact. As the space between molecules decreases, they cannot move around as freely as before. The inter-particle attraction increases as the molecules come closer to each other.
A liquid into a solid :
A liquid into a solid The potential energy stored by liquid molecules is released in the form of heat energy. The interparticle spaces between molecules decrease and they are now closely packed. As the space between molecules is negligible, they cannot move around at all. The inter-particle attraction increases rapidly as the molecules come closer to each other.
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