Răspunsuri

2014-09-20T14:10:29+03:00
224 m cubi= 0.224 dm cubi=0.224l
27 grade C= 300 grade K
 
aplici ecuatia de stare a gazelor perfecte:
p*V= n* R*T
=>5*0.224=n*0.082*300
1.12=n*24.6
n=0.04