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a weather balloon contains 8.80 moles of helium at a ppressure of 0.992 atm and a temperature os 25 C at ground level. What is the volume of the balloon under these conditions?

  • blahblahmali: we can use the ideal gas law equation to find the volume of the balloon.
    PV = nRT 
    where 
    P - pressure - 0.992 atm x 101 325 Pa/atm = 100 514 Pa
    V - volume 
    n - number of moles - 8.80 mol 
    R - universal gas constant  - 8.314 Jmol⁻¹K⁻¹
    T - temperature in kelvin - 25 °C + 273 = 298 K
    Substituting these values in the equation 
    100 514 Pa x V = 8.80 mol x  8.314 Jmol⁻¹K⁻¹ x 298 K
    V = 217 L
    volume of balloon is 217 L
Number 8 Helium Filled Balloon (36 Inch)

Number 8 Helium Filled Balloon (36 Inch)

Source: balloonsinmotion.com

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