Balance and classify the following reactions

Balance and classify the following reactions.1. barium carbonate + lithium sulfide → lithium carbonate + barium sulfide2. zinc + sodium phosphate → sodium + zinc phosphate 3. Write net ionic reactions for #1 and 2 Predict products for the following reactions and write complete balanced reaction.

4. silver and magnesium nitrate

5. ammonium chloride and aluminum sulfite

6. the combustion of butane

Do the following reaction stoichiometry problems showing all work.

Use the following reaction for #9-11

Au₂S₃ + H₂ → Au + H₂S (balance the reaction)

7. Find the mass of gold produced when 2.00 g of hydrogen gas is reacted with an excess of gold (III) sulfide.

8. How many formula units of gold (III) sulfide are required to produce 0.050 g of hydrosulfuric acid?