For #9-13, provide the correct balanced equation to represent the reaction described.
Writing balanced chemical reactions is pre-requisite knowledge from Science 9/10 that is necessary for success in Unit E. If you need to review this concept, select here

The following textbook pages also review Science 9/10 concepts related to writing balanced chemical reactions:
Pages 46-49
Pages 51-53
Pages 58-59
Pages 61-63

For your responses, expand the General Editor to gain access to the Chemistry Editor. This will have the periodic table, subscripts and arrows to write proper reactions.

1. A reaction occurs that produces iron(Ill) sulfide from its elements.

2. Oxygen gas and sodium chloride are produced from the decomposition of sodium hypochlorite.

3. Methane gas (CH4(g)), the main constituent in natural gas, is completely combusted in a household furnace.

4. A violent reaction occurs when sodium metal is placed in water.

5. Sodium sulfate solution is reacted with a strontium chloride solution.