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Chemical Reactions

NOTE: There are five parts to this assignment. Please submit after completing all parts. Write the title of each part and copy/paste the questions with your answers. Please cite all sources.

Part 1:

Q. 1) Describe five different types of chemical reactions.

1.

2.

3.

4.

5.

Q. 2) Define the following vocabulary words:

1.reactants

2.products

3.activity series

4.chemical equation

5.skeleton equation

6.catalyst

7.activation energy

8.coefficients

9.balanced equation

10.exothermic

11.endothermic

12 word equation

13. chemical reaction

Q. 3) What is the significance of an arrow in a chemical equation?

Q. 4) What is the law of conservation of matter or mass?

Part 2:

1. What are the rules to balance a chemical equation? Give one example of a balanced chemical equation.

2. What is the general chemical equation for an endothermic reaction?

3. State two factors, other than enzymes, that speed up chemical reactions.

4. How do enzymes work to speed up chemical reactions?

5. What is wrong with the chemical equation below? How could you fix it? CH4 + O2 → CO2 + 2 H2O

6. What type of reaction is represented by the following chemical equation? Explain your answer.

2 Na + 2 HCL → 2 NaCl + H2

7. Why do all chemical reactions require activation energy?

8. Explain why organisms need enzymes to survive.

Part 3: Net Ionic Equations

1.What does the name “spectator ion” mean?

2.Distinguish between a complete ionic equation and a net ionic equation?

3.What are the rules to balance the net ionic equations?

4.Define solvents and solutes.

5.What is the process of dissociation?

Part 4:

Synthesize(Make) or Decompose(Break) – Explain the meaning of these two terms in Chemistry. Give four examples of synthesis and decomposition reactions.

Part 5: Apply Chemistry in daily life – Research the following chemicals and find:

– Chemical Formula

– Elements present in the formula – Symbol and Name

– Uses in daily life

1) Baking Soda

2) Vinegar

3) Tartaric Acid

4) Baking Powder

5) Salt

6) Sugar

7) Borax

8) Citric Acid

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