naheuroe naheuroe
  • 22-10-2020
  • Chemistry
contestada

What is the volume, in liters, of 1.40 mol of oxygen gas at 20.0°C and 0.974 atm?

Respuesta :

Muscardinus Muscardinus
  • 27-10-2020

Answer:

V = 34.55 L

Explanation:

Given that,

No of moles, n = 1.4

Temperature, T = 20°C = 20 + 273 = 293 K

Pressure, P = 0.974 atm

We need to find the volume of the gas. It can be calculated using Ideal gas equation which is :

PV=nRT

R is gas constant, [tex]R=0.08206\ L-atm/mol-K[/tex]

Finding for V,

[tex]V=\dfrac{nRT}{P}\\\\V=\dfrac{1.4\times 0.08206\times 293}{0.974 }\\\\V=34.55\ L[/tex]

So, the volume of the gas is 34.55 L.

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