Jen8l4ynsprangel Jen8l4ynsprangel
  • 23-11-2016
  • Physics
contestada

At a temperature of 273 k, the syringe contains 11.0 cm3 of air. how many moles of air are in the syringe?

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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 05-12-2016
According to Geankoplis,2003, the density of air at 1 atm and and 273 K is 1.293 kg/m³. This is equivalent to 0.001293 g/cm³. The molar mass of air is approximately 29 g/mol. To solve this,

11.0 cm³ * (0.001293 g/cm³) * (1 mol/29 g) = 4.9 x 10^-4 mol of air


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