mahaam452 mahaam452
  • 12-07-2021
  • Chemistry
contestada

what is the pressure in a 5.00 L tank with 49.00 grams of oxygen gas at 350 K? ___atm

Respuesta :

Cricetus
Cricetus Cricetus
  • 13-07-2021

Answer:

The right answer is "8.81 atm".

Explanation:

Given:

V = 5.00 L

Mass = 4900 g

MW = 32 g/mol

T = 350 K

Now,

Number of moles will be:

[tex]n = \frac{Mass}{MW}[/tex]

   [tex]=\frac{49.00}{32}[/tex]

   [tex]=1.53125 \ mole[/tex]

By using the ideal gas equation, we get

⇒ [tex]PV=nRT[/tex]

or,

⇒    [tex]P=\frac{nRT}{V}[/tex]

By substituting the values, we get

           [tex]=\frac{1.53125\times 0.0821\times 350}{5.00}[/tex]

           [tex]=\frac{44.1}{5.00}[/tex]

           [tex]=8.81 \ atm[/tex]  

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