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By: Caitlin Shroyer. Types of Reactions. Exothermic reaction 6. Double Replacement Endothermic reaction 7. Combustion Synthesis Decomposition Single replacement. Citations. Endothermic Reaction:

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types of reactions

By: Caitlin Shroyer

Types of Reactions

Exothermic reaction 6. Double Replacement

Endothermic reaction 7. Combustion

Synthesis

Decomposition

Single replacement

citations
Citations

Endothermic Reaction:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm

Picture: http://jchemed.chem.wisc.edu/jcesoft/cca/CCA3/MAIN/ENDO2/PAGE1.HTM

Exothermic Reaction:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm ,

Picture: http://en.wikipedia.org/Exothermic_reaction

Synthesis:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm

Picture: http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA3/STILLS/NACL/NACL1/64JPG48/20.JPG

Decomposition:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm

Picture: http://wildeboer-fitch.wikispaces.com/Media-+Chemical+Rx#toc17

Double Replacement:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm

Picture: http://wildeboer-fitch.wikispaces.com/Media-+Chemical+Rx#toc23

Single Replacement:

Info: http://www.usoe.k12.ut.us/CURR/Science/sciber00/8th/matter/sciber/chemtype.htm

Picture: http://wildeboer-fitch.wikispaces.com/Media-+Chemical+Rx

Combustion:

Info: http://www.marymount.k12.ny.us/marynet/stwbwk05/05flashchem/lyreaction/lyreaction.html

Picture: http://wildeboer-fitch.wikispaces.com/Media-+Chemical+Rx

exothermic reaction
Exothermic Reaction
  • Release energy in the form of heat, light ,or sound
  • May occur spontaneously and result in higher randomness

of entropy of the system

  • May produce heat or may even be explosive

Fe2O3 + 2Al -> 2Fe + Al2O3 + Heat

endothermic reaction
Endothermic Reaction
  • They must absorb energy in order to proceed
  • Can not occur spontaneously
  • They absorb energy as the temperature drop is

measured during the reaction.

Ba(OH)2.8H2O (s) + 2 NH4SCN (s) --> Ba(SCN)2 (s) + 10 H2O (l) + 2 NH3 (g)

synthesis
Synthesis
  • Two or more simple substances combine to form a more

complex substance

  • As two or more reactance yielding one product is

another way to identify a synthesis reaction

2Na + Cl2 --> 2NaCl

decomposition
Decomposition
  • This reaction has a more complex substance

that breaks down into more simpler parts

  • Synthesis and decomposition are opposite reaction

2 NaHCO3 --> NaCO3 + H2O + CO2

single replacement
Single Replacement
  • Single uncombined element
  • Two reactants yeild to or more products

Zn + 2HCl --> ZnCl2 + H2

double replacement
Double Replacement
  • Two compounds switch places to

form a new compound.

  • Two reactants yield two products

BaCl2 + Na2SO4 --> BaSO4 + 2NaCl

combustion
Combustion
  • A chemicals that involve oxygen and produces

energy( heat) so rapidly that flames are shown.

  • Is a reaction that includes oxygen dioxide and water.

2Mg + O2 --> 2MgO