Question

egaleaza ecuatiile 
a)NaOH+HCl⇒NaCl+H₂O
b)Zn+H₂SO₄⇒ZnSO₄+H₂
c)Cu(OH)₂⇒CuO+H₂O
d)Fe+H₂O⇒Fe₃O₄+H₂

Answer 1

a)NaOH+HCl⇒NaCl+H₂O(este egalata)
b)Zn+H₂SO₄⇒ZnSO₄+H₂(este egalata)
c)Cu(OH)₂⇒CuO+H₂O(este egalata)
d)3Fe+4H₂O⇒Fe₃O₄+4H₂

Answer 2

a)NaOH+HCl⇒NaCl+H₂O
b)Zn+H₂SO₄⇒ZnSO₄+H₂
c)Cu(OH)₂⇒CuO+H₂O
d)3Fe+4H₂O⇒Fe₃O₄+4H₂