Final answer:
The volume of a gas is a variable that can change under certain conditions.
Step-by-step explanation:
The volume of a gas is a variable and can change depending on certain conditions. The behavior of gases is described by several laws:
- Amonton's law: The pressure of a gas is directly proportional to its absolute temperature, provided that the volume does not change.
- Charles's law: The volume of a gas is directly proportional to its absolute temperature at constant pressure.
- Boyle's law: The volume of a gas is inversely proportional to its pressure when temperature is held constant.
- Avogadro's law: Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of molecules.
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