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1) What will be the minimum pressure required to compress 500 dm³ of air at 1 bar to 200 dm₃ at 30°C?
2) Explain Avogadro's law
3) A gas occupies a volume of 250 ml at 75o mm of Hg and 25°c. what additional pressure is required to reduce the gas volume to 200 ml at the same temperature.
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Avogadro’s law, also known as Avogadro’s principle or Avogadro’s hypothesis, is a gas law which states that the total number of atoms/molecules of a gas (i.e. the amount of gaseous substance) is directly proportional to the volume occupied by the gas at constant temperature and pressure. Avogadro’s law is closely related to the ideal gas equation since it links temperature, pressure, volume, and amount of substance for a given gas.
Avogadro’s law is named after the Italian scientist Amedeo Carlo Avogadro, who suggested that two dissimilar ideal gases occupying the same volume at a given (constant) temperature and pressure must contain an equal number of molecules.
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