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Free air is the air at
  • a)
    1 bar pressure and 0°C temperature
  • b)
    1 bar pressure and 15°C temperature
  • c)
    1 bar pressure, 20°C temperature and 36% RH
  • d)
    atmospheric conditions of pressure and temperature at any specific location
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Free air is the air ata)1 bar pressure and 0°C temperatureb)1 bar ...
°C temperature. This is also known as standard temperature and pressure (STP). It is a reference point used in many scientific and engineering calculations involving gases. At STP, one mole of any gas occupies a volume of 22.4 liters. The concept of free air is important in the field of air quality monitoring, where the concentration of pollutants is often reported in terms of their concentration in free air, rather than in the actual ambient air.
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Free air is the air ata)1 bar pressure and 0°C temperatureb)1 bar pressure and 15°C temperaturec)1 bar pressure, 20°C temperature and 36% RHd)atmospheric conditions of pressure and temperature at any specific locationCorrect answer is option 'D'. Can you explain this answer?
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