Chemical Reaction Flashcards
1
Q
Chemical Reactions
A
process to rearrange atoms into new substances.
2
Q
Chemical Formula
A
Symbols and numbers to represent a substance.
3
Q
Chemical Equation
A
Expression to show the relationship between reaction + product
4
Q
Reaction
A
Substances that participate in a chemical reaction.
5
Q
Products
A
Substance formed in a reaction.
6
Q
Law of conservation of mass
A
Mass could not be created or destroyed
7
Q
Law of conservation of energy
A
Energy can not be created if destroyed
8
Q
Endothermic reaction
A
Chemical reaction with an imput of energy
9
Q
Exothermic
A
Chemical reactions with an output of energy