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Chapter 11 Review

Chemical Reactions

QuestionAnswer
starting material in a chemical reaction reactant
gets made in a chemical reaction product
speeds up a chemical reaction by lowering the activation energy needed catalyst
having 1 atom monatomic
having 2 atoms diatomic
having 4 atoms tetratomic
states that mass is not created or destroyed in chemical reaction [ # of atoms must be same on both sides ] law of conservation of mass
AB --> A + B [reaction type] decomposition reaction
A + B --> AB [reaction type] synthesis reaction
AB + C --> CB + A [reaction type] single replacement reaction
AB + CD --> AD + CB [reaction type] double replacement reaction
CxHy + O2 --> CO2 + H2O [reaction type] combustion reaction
chemical equation that is not balanced skeleton
numbers placed in front to balance equation by multiplying coefficients
small numbers written after atom/compound that tells the number of atoms [is NEVER changed to balance] subscripts
Created by: cadetjt
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