dianaCallPattier dianaCallPattier

Today at 12:23 PM
Chemistry

Answered

A storage tank contains 21.6kg of nitrogen (N2)at an absolute pressure of 3.65 atm. what will be the pressure if nitrogen is replaced by an equal mass of CO2 or carbon dioxide?..thanks!

Answer :

scme1702 scme1702

Today at 12:28 PM

From the ideal gas equation:
PV = nRT
we see that:
P is directly proportional to n, the number of moles. And
n = mass/Mr
Thus:
PMr/m = constant
P₁Mr₁/m₁ = P₂Mr₂/m₂
3.65 x 28 / 21.6 = P₂ x 44 / 21.6

P₂ = 2.32 atm

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