Write a balanced molecular equation describing each of the following chemical reactions. (a) Solid..

Write a balanced molecular equation describing each of the
following chemical reactions.

(a) Solid calcium carbonate is heated and decomposes to
solid calcium oxide and carbon dioxide gas.

(b) Gaseous butane, C4H10, reacts with diatomic oxygen gas
to yield gaseous carbon dioxide and water vapor.

(c) Aqueous solutions of magnesium chloride and sodium
hydroxide react to produce solid magnesium hydroxide

and aqueous sodium chloride.

(d) Water vapor reacts with sodium metal to produce solid
sodium hydroxide and hydrogen gas.