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Assuming ideal gas behaviour, how many atoms of Ar are contained in a typical human breath of 0.5 litre at 1.0 bar and 37^@C ? Air consists of 1% Ar atoms. Assuming that the argon atoms from the last breath of Plato have been distributed randomly throughout the atmosphere (5 xx 10^18 m^3) , how long would it take to breathe one of these atoms? A typical adult breath rate is 10 "min"^(-1) |
| Answer» SOLUTION :` 1 XX 10^20 " BREADTH"^(-1)`, 10 min | |