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Patterns of Chemical Reactions

Learn about the different patterns of chemical reactions, including synthesis, decomposition, and exchange reactions. Understand how atoms and molecules combine and break apart to form new compounds, and discover the significance of these reactions in growth, repair, and digestion.

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Patterns of Chemical Reactions

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  1. Patterns of Chemical Reactions By: Abby Marstiller, Paulina Pullin, Emily Henline

  2. What is a chemical reaction? • A chemical reaction involves the making or breaking of bonds between atoms. • The total number of atoms remains the same but the combinations are different. • Most chemical reactions have one of three recognizable patterns; Synthesis Reactions, Decomposition Reactions, and Exchange Reactions.

  3. Synthesis Reactions: • Synthesis reactions occur when two or more atoms or molecules combine to form a larger, more complex molecule. • The reactants may be elements or compounds, but the product is always a compound. • Can be represented as A+BAB • Responsible for growth and repair of old tissue

  4. http://www.schooltube.com/video/909777fe16239dfa1690/Synthesis%20Reactionhttp://www.schooltube.com/video/909777fe16239dfa1690/Synthesis%20Reaction

  5. Decomposition Reactions: • Decomposition reactions occur when a molecule is broken down into smaller molecules, atoms, or ions. • Represented by AB A+B • Decomposition reactions are the reverse of synthesis reactions. • Important in food digestion

  6. Exchange Reactions: • Exchange reactions involve both synthesis and decomposition reactions. • Bonds are both made and broken • During exchange reactions a switch is made between molecule parts and different molecules are made. • Indicated as AB + C  AC + B and AB + CD  CB

  7. Works Cited: Marieb, Elaine N. “Patterns of Chemical Reactions.” Essentials of Human Anatomy and Physiology. Editor: SerinaBeauparlant. 8. San Fransisco: Pearson Benjamin Cummings, 2006. 37, 38, 39.

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