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Chem #10

QuestionAnswer
What are the requirements for a chemical reaction? Particles must collide, they must collide with enough energy, and they must collide with proper orientation.
What are the factors of a chemical reaction? Activation energy, temperature, particle size, surface area, and particle contact (stirring).
What is a catalyst? This is a substance that speeds up the reaction but is not consumed in the reaction.
What is an endothermic reaction? Requires energy to be put into the system.
What is an exothermic reaction? Releases energy as a product.
What is a reactant? The starting substance in a reaction.
What is a chemical reaction? A process by which one or more substances are changed into one or more different substances.
What is a product? The end result of a reaction.
What is the law of conservation of mass? Mass is neither created or destroyed in chemical reactions.
What are the 5 types of chemical reactions? Synthesis, decomposition, single displacement, double replacement, combustion.
What is a synthesis reaction? When two or more simple compounds join to form a more complicated one.
What is a double replacement? Cations of two ionic compounds switch places.
What is single replacement? When one element trades places with an element in an ionic compound.
What is decomposition? When a complex molecule breaks apart to form two or more less complicated molecules.
What is combustion? Oxygen reacts with another compound to form carbon dioxide, water, and heat.
Created by: 113689
 

 



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