Question

Ajutor________________

Answer 1

a) $4Al+3O_{3}=>2Al_{2}O_{3}$

b) $NH_{3}+HOH => NH_{4}^{+}+HO^{-}$

c) $4Fe + 3O_{2} => 2Fe_{2}O_{3}$

d) $CaCO_{3}+t^{o}=>CaO+CO_{2}$

e) $H_{2}+Cl_{2}=>2HCl$

f) $CaO + HOH => Ca(OH)_{2}$

g) $2Fe_{2}O_{3}+3C=>4Fe + 3CO_{2}$