Cati moli de hidrogen se gasesc in 40 l de hidrogen aflat la 127 grade C si 40 atm

Răspuns :

V=40 l H
t=127°C=>T=127+273=400 K
p=40 atm
R=0,082
pV=nRT
n=pV/RT
n=(40×40)/(0,082×400)=48,78 moli H