1. Chemical Equations review 1. Where do the “reactants” belong? To the left of the arrow To the right of the arrow Over the arrow Under the arrow

2. Where do the products belong? To the left of the arrow To the right of the arrow Over the arrow Under the arrow

3. True/False Chemical reactions produce new substances.

4. Where do the catalysts belong? To the left of the arrow To the right of the arrow Over the arrow Under the arrow

5. What symbol means, “heat was added”? What symbol means, “heat was added”?

6. True/False Chemical reactions create and destroy atoms.

7. What is NOT shown in a “skeleton equation”? The reactants The products The arrow The amounts

8. Ture or False A catalyst does not enter into a reaction.

9. What symbols mean the following: What symbols mean the following: in the solid state in the liquid state in the gaseous state is a vapor dissolved in water

10. What symbol means, “reversible reaction”? What symbol means, “reversible reaction”?

11. What law is followed when we balance an equation?

12. Rewrite this phrase as it would appear in a chemical equation: Solid Iron(II) oxide is heated

13. Rewrite this phrase as it would appear in a chemical equation: Rewrite this phrase as it would appear in a chemical equation: Generates oxygen gas and solid iron Generates oxygen gas and solid iron

14. Rewrite this phrase as it would appear in a chemical equation: Gaseous ammonia (NH 3 ) reacts with gaseous hydrogen chloride

15. Rewrite this phrase as it would appear in a chemical equation: To form solid ammonium chloride To form solid ammonium chloride

16. Rewrite this phrase as it would appear in a chemical equation: Gaseous hydrogen sulfide reacts with aqueous sodium hydroxide Gaseous hydrogen sulfide reacts with aqueous sodium hydroxide

17. Rewrite this phrase as it would appear in a chemical equation: Producing solid sodium sulfide and water Producing solid sodium sulfide and water