RedOutsiders1916 RedOutsiders1916
  • 01-04-2018
  • Chemistry
contestada

What will be the pressure of a sample of 48.0 grams of oxygen gas in a glass container of volume 5.2 l at 25 °c?

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blahblahmali blahblahmali
  • 10-04-2018
We can use the ideal gas equation based on the assumption that O₂ behaves similar to an ideal gas.
PV = nRT
P-pressure, V- volume, n - number of moles, R - universal gas constant and T - temperature 
number of O₂ moles - 48.0 g/ 32 g/mol = 1.5 mol
temperature - 25 °C + 273 = 298 K
substituting the values 
P x 5.2 x 10⁻³ m³ = 1.5 mol x 8.314 Jmol⁻¹K⁻¹ x 298 K 
P = 714.7 kPa
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