a substance can exist in which state
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Answer:
matic and exit in one of three meals a solid liquid or gas solid matter is composed of tiny particles .. Water is a substance that can possess three states of matter and it can be described very easily. If you condense water, it will be converted into the solid state, which is called ice.
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Matter typically exists in one of three states: solid, liquid, or gas. The state a given substance exhibits is also a physical property. Some substances exist as gases at room temperature (oxygen and carbon dioxide), while others, like water and mercury metal, exist as liquids
Water can take many forms. At low temperatures (below 0oC ), it is a solid. When at "normal" temperatures (between 0oC and 100oC ), it is a liquid. While at temperatures above 100oC , water is a gas (steam). The state the water is in depends upon the temperature. Each state (solid, liquid, and gas) has its own unique set of physical properties.
Matter and Its States
Matter typically exists in one of three states: solid, liquid, or gas. The state a given substance exhibits is also a physical property. Some substances exist as gases at room temperature (oxygen and carbon dioxide), while others, like water and mercury metal, exist as liquids. Most metals exist as solids at room temperature. All substances can exist in any of these three states.
Figure 1.6.1 : Matter is usually classified into three classical states, with plasma sometimes added as a fourth state. From top to bottom: quartz (solid), water (liquid), nitrogen dioxide (gas),
Note
Technically speaking a fourth state of matter called plasma exists, but it does not naturally occur on earth, so we will omit it from our study here.
Solid
Solids are defined by the following characteristics:
Definite shape (rigid)
Definite volume
Particles vibrate around fixed axes
If we were to cool liquid mercury to its freezing point of −39oC , and under the right pressure conditions, we would notice all of the liquid particles would go into the solid state. Mercury can be solidified when its temperature is brought to its freezing point. However, when returned to room temperature conditions, mercury does not exist in solid state for long, and returns back to its more common liquid form.
Liquid
Liquids have the following characteristics:
No definite shape (takes the shape of its container)
Has definite volume
Particles are free to move over each other, but are still attracted to each other
A familiar liquid is mercury metal. Mercury is an anomaly. It is the only metal we know of that is liquid at room temperature. Mercury also has an ability to stick to itself (surface tension) - a property all liquids exhibit. Mercury has a relatively high surface tension, which makes it very unique. Here you see mercury in its common liquid form.
Mercury.
If we heat liquid mercury to its boiling point of 357oC , and under the right pressure conditions, we would notice all particles in the liquid state go into the gas state....
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