pV=nRT
p (r) = 10 atm
V (r) =10 dm = 1L
R=0.082 L x atm/ mol x K
T = 273 K + 20 * C = 293 K
(r) date specifice gazului in recipient
n=pV/RT => n= 10 x 1 / 293 x 0.082 =0.416 mol N2
Daca aducem gazul la p= 1 atm atunci
V= nRT/p=> V = 0.416 x 0.082 x 293 / 1= 10 L