7.5- 7.6 Types of Reactions & Combination Reactions

7.5- 7.6 Types of Reactions & Combination Reactions

17.5There are five different types of reactions: Combination, Decomposition, Single Replacement, Double Replacement, and CombustionThe reactions can be done in both labs or in nature There are millions of different chemicals, therefore millions of different chemical reactions and products.A chemical reaction can occur with compounds or with elements.

Types of reactionsDecomposition Reaction- one compound breaks into two compoundsSingle-Replacement Reaction-two compounds combine and one element gets replaced Double-Replacement Reaction- Two compounds get combined and two elements get replacedCombustion Reactions- two compounds reacts and one has to be oxygen(O2) and oxygen get distributed between the elements

Example!!! What kind of reaction is this?CombustionSingle-ReplacementDecomposition Double-Replacement 2. What kind of reaction is this example?KCl+Br= KBr+ ClSingle-replacement

7-6 Combination ReactionsCould be called synthesis reactionProduct of a combination reaction will become a compoundThe reactants of most common combination reactions are most likely two elements or two compoundsWhat the reaction isTwo elements or compounds combine to create one compound.The product of the combination reaction can be predicted by what reactants or compounds are in the reaction

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More ExamplesCarbon + Tin(IV) =CTnCSnCSweetenSnCCopper(II)+ChlorineCuCl2

Examples of everyday lifePlants use Photosynthesis to make energyWhen striking a match to make a fire is a Combustion reactionMany chemical reactions take place during digestion Using soap and detergent causes a chemical reaction

FAQWhat's the difference between single and double replacement reactions? -Double replacement changes two where as single replacement changes one.What is the difference between decomposition and combination reaction?- Combination starts separated and ends up combined where as the other is flippedAny Questions?

9SummaryThere are five types of chemical reactions: decomposition, combination, single-replacement, double-replacement and combustion. Combination reactions can have two compounds as the reactants.Products of chemical reactions can be predicted sometimes depending on the reactants and type of reaction

PQPComplete these synthesis reactionsSodium + ChlorineK+SAl+O2Barium + NitrogenCreditsAndrew Cave, Brian Clemens and Austin Cornaglia

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