Predicting Equations for Synthesis and Decomposition

Name: ______

Period: ______

Date: ______

Predicting Equations for Synthesis and Decomposition

Directions: Predict and balance the following synthesis and decomposition reactions. Indicate the phase of the reactants and products where possible

Synthesis Reactions:

1)  Solid Zinc reacts with oxygen gas

2)  Iron (II) reacts with Nitrogen

3)  Chromium (III) oxide is combined with Sulfur Dioxide

4)  Aluminum oxide is combined with carbon dioxide

5)  Potassium oxide plus nitrogen dioxide

6)  Solid lithium oxide is added to water

7)  Sulfur dioxide gas is placed in water

Decomposition Reactions:

1)  A sample of solid calcium carbonate is heated

2)  Solid magnesium sulfate is placed in water

3)  Solid Iron (II) hydroxide is dropped in water

4)  Solid calcium nitrate is heated

5)  Ammonium hydroxide is heated

6)  Solid zinc carbonate is added to water

7)  Solid copper (II) nitrate is placed into water

Mixed Reactions:

1)  Solid potassium oxide is added to a container of carbon dioxide gas

2)  A sample of carbonic acid is heated

3)  Solid magnesium oxide is added to sulfur trioxide gas

4)  Solid sodium nitrate is added to water

5)  A pea-sized piece of lithium is added to a container of iodine vapor

6)  Solid calcium bicarbonate is electrolyzed

7)  Solid barium hydroxide is combined with water

8)  Solid Aluminum sulfate is heated

9)  Sulfuric acid is heated

10)  Copper (I) Sulfate is added to water

11)  Copper (II) oxide is added to water

12)  Nickel (III) nitrate is placed in water

13)  Chromium (III) Fluoride is decomposed with heat

14)  Ammonium carbonate is heated

15)  Carbonic acid is electrolyzed