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Combination Reactions

Combination reactions begin with two or more substances and when the reaction is complete form a single product substance


            Hydrogen Explosions

            Magnesium Burning

            Oxidation of Phosphorus

            Reaction of White Phosphorus and  Chlorine

            Reaction of Zinc and Iodine

            Reaction of Zinc and Sulfur


Combustion Reactions

Combustion reactions are reactions that produce light and heat as energy products in addition to new chemical substances



            Magnesium Burning

            Reaction of Acetylene and Chlorine Gases


Decomposition Reactions

Decomposition reactions begin with a single substance and form two or more new product substances


            Decomposition of Ammonium Dichromate

            Elephants' Toothpaste

            Explosive Decomposition                

            Genie in a Bottle

            Preparation of Oxygen Gas from Bleach


Disproportionation Reactions

Disproportionation reactions begin with an element in one oxidation state but produce products in which that element appears in two different oxidation states (the starting element has been both oxidized and reduced)



            Reaction of Phosphorus with Sodium Hydroxide


Double Replacement Reactions

Double replacement reactions are reactions in which the elements or ions of both reactants change partners to form two new products



            Precipitate Formation:  Cobalt(II)Hydroxide

            Precipitate Formation: Cobalt(III)Saccharate Hexahydrate

            Precipitate Formation:  Lead(II)Iodide


Equilibrium Reactions

Equilibrium reactions are chemical reactions in which all reactants and products are present simultaneously



            Ammonia Fountain



Nitration is a chemical reaction in which a substance undergoes the introduction of a nitro group, --NO2



            Combustion of Nitrocellulose


Photochemical Reactions

Photochemical reactions rely on light energy for chemical transformations to occur



            Blueprint Paper


Photoreduction Reactions

Photoreduction reactions are chemical reactions in which a substance has gained electrons, that is, been reduced



            Blueprint Paper


Polymer Modification

Polymer modification is a method by which polymers are converted to structurally modified molecules having different properties than the starting polymer



            Combustion of Nitrocellulose


Redox Reactions

Redox reactions are chemical reactions in which one substance loses electrons (is oxidized) and another substance simultaneously gains electrons (is reduced); "redox" is a contraction of the words "reduction-oxidation"


            Decomposition of Ammonium Dichromate

            Explosive Decomposition

            Formation of a Copper Mirror

            Formation of a Silver Mirror

            Hydrogen Gas from the Reaction of Magnesium Metal with Acid

            Preparation of Chlorine Gas from Bleach

            Reaction of Zinc and Iodine

            Reaction of Zinc and Sulfur

            The Thermite Process



Respiration is the sum total of biological oxidation processes which results in the oxidation of carbon to carbon dioxide



            Carbon Dioxide from Respiration


Reversible Chemical Reactions

Reversible chemical reactions are those in which reactants and products are in equilibrium



            Solution Equilibrium


Selective Organic Reactions

Selective organic reactions are chemical reactions which "select" only a portion of an organic starting molecule for transformation



            Formation of a Silver Mirror


Spontaneous Combustion

Spontaneous combustion refers to the apparently spontaneous production of heat and light by a chemical reaction



            Reaction of Phosphorus with Sodium Hydroxide












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          Department of Chemistry and Chemical Engineering 

          South Dakota School of Mines and Technology

          Rapid City, SD  57701

          Comments to:  dboyles@silver.sdsmt.edu

         Please use the chemical discussion area for all chemically-related questions.