Question

4. Balance the following chemical equation
a) Mg(OH)2 + HCI-> MgCl2 +H2O
b) N2H2 -> NH3
c) P4+02 - P205
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Answer 1

Answer: a. Mg(OH)₂+ 2HCI ⇒ MgCl₂ +2H₂O

b. N₂ + 3H₂ = 2NH₃

c. P₄ + 5O₂ ⇒ 2P₂O₅