Question

completati urmatoarele reactii chimice si stabiliti coeficientii acolo unde este cazul:
a)K+O2
b) K+H2O
c)Mg+Cl2
d) KBr+Cl2

Answer 1

Răspuns:

a) 4K+O2 =>2 K2O

b) 2 K+2H2O => 2KOH + H2

c)Mg+Cl2=> MgCl2

d) 2KBr+Cl2 => 2 KCl + Br2