Question

The expression below was formed by combining different gas laws. V is proportional to StartFraction n T over P EndFraction. Which law was used to determine the relationship between the volume and the number of moles in this equation? Boyle’s law Charles’s law Avogadro’s law Gay-Lussac’s law.

Answer 1

The relationship between the number of moles and the volume of gas is determined by the Avogadro's law in this equation.

Avogadro's law:

It states that at constant temperature and pressure, gases with same volume has the same number of molecules.

For an ideal gas with with constant  temperature and pressure, the volume of the gas is directly proportional to the amount or number of molecules.

• Charle's law states that at constant pressure, volume (V) and temperature (T) are directly proportional.

• Boyle's law states that at constant temperature, the volume of gas is inversely proportional to the gas pressure.

• Gay-Lussac's law states that pressure (P) and absolute temperature (T) of the gas are directly proportional.

Therefore, the relationship between the number of moles and the volume of gas is determined by the Avogadro's law in this equation.

To know more about Avogadro's law:

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