PLEASE IM VERY CONFUSED

Directions: Write the formulas of the reactants and products, including the symbols for the state,
(s), (l), (g), (aq) - then balance the equations.

8. When a solution of hydrogen chloride is added to solid sodium bicarbonate (NaHCO3), the products are carbon dioxide, water and aqueous sodium chloride.

9. Ethyl alcohol (a liquid), C2H6O, burns in air to produce carbon dioxide and gaseous water.

10. Solid titanium (IV) chloride reacts with water, forming solid titanium (IV) oxide and aqueous hydrogen chloride.

11. During photosynthesis in plants, carbon dioxide and water are converted into glucose, C6H12O6, and oxygen gas.

12. Solutions of calcium hydroxide, Ca(OH)2 and nitric acid, HNO3, react to produce water and aqueous calcium nitrate, Ca(NO3)2.