Chapter 2 Flashcards
chemical reaction
one or more substance changes into different substances
precipitate
a solid that is a result of a chemical reaction solution
Chemical Formula
combination of chemical symbols and numbers
Chemical equation
a representation of a chemical reaction usingsymbols
reactant
participates in chemical reaction
product
the substance formed in a chemical reation
law of conservation of mass
mass can’t be created or destroyed
synthesis reaction
two or more substances combine to form a new compound
decomposition
a single compound breaks down to form two or more simpler substances
single displacement
one element takes place in an element
double displacement
a gas, solid, molecule compound forms between exchanging compounds
exothermic reaction
energy is released
endothermic reaction
energy taken in
law of conservation of energy
energy can’t be made or destryed
Activation energy
minimum amount of energy needed to make a reation
inhibitor
slows down
catalyst
speeds up
