According to Avogadro’s Principle, how does the volume of a gas vary with moles?
Question
According to Avogadro’s Principle, how does the volume of a gas vary with moles?
Solution
Avogadro's Principle, also known as Avogadro's Law, states that the volume of a gas is directly proportional to the number of moles of the gas, provided the temperature and pressure are kept constant.
Here's a step-by-step explanation:
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Avogadro's Principle is based on the idea that gases, regardless of their specific properties, behave similarly at the same temperature and pressure.
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According to this principle, equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules, or moles.
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Therefore, if you increase the number of moles of a gas (by adding more gas), the volume will increase proportionally, assuming temperature and pressure are kept constant.
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Conversely, if you decrease the number of moles of a gas (by removing some gas), the volume will decrease proportionally, again assuming temperature and pressure are kept constant.
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This relationship can be expressed mathematically as V1/n1 = V2/n2, where V represents volume and n represents the number of moles. V1 and n1 are the initial volume and number of moles, and V2 and n2 are the final volume and number of moles.
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So, according to Avogadro's Principle, the volume of a gas varies directly with the number of moles.
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