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Chemical Reactions

QuestionAnswer
CxHy + O2 --> CO2 + H2O combustion reaction
AB --> A + B decomposition reaction
A + B --> AB synthesis reaction
AB + CD --> AD + CB double replacement reaction
AB + C --> CB + A single replacement reaction
starting material in a chemical reaction reactants
ending material in a chemical reaction products
speed up chemical reaction in non-living things catalyst
speed up chemical reaction in living organisms enzyme
means 2 atoms diatomic
coefficient whole numbers added to balance a chemical equation
subscript small numbers NEVER changed to balance a chemical equation
chemical equation that does not equal numbers of atoms ; unbalanced skeleton equation
states that mass is never created or destroyed, so #reactants = #products law of conservation of mass
P and As tetratomic elements
H, N, O, F, Cl , Br, I diatomic elements
S octatomic element
"list" that includes F as most reactive anion halogen
"list" that includes Li as most reaction cation activity series of metals
numbers NEVER EVER changed to balance equation ; gives starting number of atoms subscripts
numbers placed in front of atoms and compounds to balance equation coefficients
Created by: cadetjt
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