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