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Patterns of Chemical Reactions Patterns of Chemical Reactions

Patterns of Chemical Reactions - PowerPoint Presentation

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Patterns of Chemical Reactions - PPT Presentation

By Abby Marstiller Paulina Pullin Emily Henline 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 ID: 701859

synthesis reactions decomposition chemical reactions synthesis chemical decomposition exchange atoms molecule molecules patterns occur reaction represented bonds broken

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Slide1

Patterns of Chemical Reactions

By: Abby

Marstiller

, Paulina

Pullin

, Emily

HenlineSlide2

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.Slide3

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 tissueSlide4
Slide5

http://www.schooltube.com/video/909777fe16239dfa1690/Synthesis%20ReactionSlide6

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 digestionSlide7
Slide8

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  CBSlide9
Slide10
Slide11

Works Cited:

Marieb

, Elaine N. “Patterns of Chemical Reactions

.

Essentials of Human Anatomy and Physiology.

Editor:

Serina

Beauparlant

. 8. San

Fransisco

: Pearson Benjamin Cummings, 2006. 37, 38, 39.