Vocabulary Chemical Reactions Flashcards
1
Q
Chemical reactions
A
Process to rearrange atoms into new substances
2
Q
Chemical formula
A
Chemical symbols + numbers to represent a substance
3
Q
Chemical equation
A
Expression to show the relationship between reactants + products.
4
Q
Reactants
A
Substance that participates in in the relationship between reactants + products
5
Q
Products
A
Substances formed in a chemical reaction
6
Q
Law of conservation of mass
A
Mass can not be create or destroyed
7
Q
Endothermic
A
Chemical reaction with an input of energy
8
Q
Exothermic
A
Chemical reaction with an output of energy
9
Q
Law of conservation of energy
A
Energy can not be created or destroyed.