Basically, two or more solutions are combined resulting in a reaction that produces an insoluble product, a precipitate. Typically, these types of reactions involve ionic compounds in aqueous solution. The precipitation reaction is said to occur because of the strong attractive forces certain ions have for each other.
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Several types of reactions occur in water. When water is the solvent for a reaction, the reaction is said to occur in aqueous solution, which is denoted by the abbreviation (aq) following the name of a chemical species in a reaction.
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Remember that reactions can be belong to more than one category. Also, it would be possible to present more specific categories, such as combustion reactions or precipitation reactions. Learning the main categories will help you balance equations and predict the types of compounds formed from a chemical reaction...
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Oxidation - Reduction reactions; Oxidation; - gains O atoms; - charge becomes more positive; - loses H atoms; - loses electrons; - O.S. increases; Reduction; - loses O atoms; - charge becomes less positive; ... Types of redox reactions...
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Some chemical reactions produce an insoluble product -- called a precipitate. These types of reactions are usually carried out in a water solution where the reactants dissociate in water to give the appropriate cations and anions.
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REACTIONS OCCURRING IN AQUEOUS SOLUTIONS; Of the several types of reactions involving aqueous solutions, the three most common are: ... 2. The formation (or disappearance) of an insoluble solid called a precipitate. Some reactions result with the production of an insoluble solid called a precipitate,
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Combination Reactions ... Disproportionation Reactions ... Precipitate Formation: Cobalt(II)Hydroxide...
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In this type of reaction two solutions mixed together make one product which is insoluble. This product comes out of the solution and can be seen as a solid mass in the test tube. ... In this particular case the precipitate has a light blue colour.
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It is also very helpful if he/she knows how to predict the products of certain specific types of reactions. ... NOTE: Use the solubility rules to decide whether a product of an ionic reaction is insoluble in water and will thus form a precipitate. If a compound is soluble in water then it should be shown as being in...
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Precipitation reactions can be represented using several types of chemical equations: complete-formula equations (also known as "molecular" equations), complete ionic equations, and net ionic equations. Each provides a ... After the barium and sulfate ions combine to form the solid barium sulfate precipitate,
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