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Ch 21 Int Sc

Types of Reactions

QuestionAnswer
What is addition reaction? A chemical reaction in which two or more substances combine to form a new compound.
What is combustion reaction? A reaction in which a substance combines with oxygen, releasing large amounts of enegyh in the form of heat and light.
What is decomposition reaction? A chemical reaction in which a single compound is broken down to produce two or more smaller compounds.
What is dissolution reaction? A reaction that occurs when an ionic compound dissolves in water to make an ionic solution.
What is double-displacement reaction? A reaction in which ions from two compounds in a solution exchange places to produce two new compounds.
What is endothermic reaction? A reaction in which more energy is required to break the bonds in reactants than is released from the formation of new bonds in the products.
What is exothermic reaction? Occurs when less energy is required to break the bonds in reactants than is released when bonds are formed to make new products.
What is insoluble? A term to describe a substance that does not dissolve in water.
What is polymerization? The production of very large molecule by a series of synthesis reactions.
What is precipitate? Substance formed when one of the compounds in a double-displacement reaction is insoluble, or does not dissolve in water.
What is single-displacement reaction? A reaction in which one element replaces a similiar element in a compound.
What are examples of polymers you may find around the house? Foam containeers, food packagin, clothing, plumbing, and chewing gum.
In combustion reaction, what kind of substances can combine with oxygen to release energy? Wood, natural gas, or propane.
In combustion reaction, what kind of energy can be released? Light and heat.
What is a monomers? Smaller molecules.
What is a polymers? Made by joining smaller molecules called monomers.
What are examples of exothermic reactions? The combustion of gasoline to run automobiles and the formation of rust.
How do we use exothermic reaction? Heat our homes, drive our cars and cook our food.
Created by: jazznsoul64