Răspuns :
a)T=t( °C)+273=27+273=300
Am si eu tema pentru azi dar b si c nu imi iese.Tu ai aflat cum se face?
pV=niuRT--.> niu= 1x10/0,082x300=> 0,4mol
niu= m/M--> m=0,4molx28g/mol
niu= N/N,a--->N =0,4X6,023X10²³ MOLECULE
ro= m/V= 11,2g/ 10⁴l=
niu= m/M--> m=0,4molx28g/mol
niu= N/N,a--->N =0,4X6,023X10²³ MOLECULE
ro= m/V= 11,2g/ 10⁴l=