Chemical Reaction Flashcards
1
Q
Process to rearrange atoms into new substances
A
Chemical reaction
2
Q
Chemical symbols + numbers to represent a substance
A
Chemical formula
3
Q
Expression to show the relationship between the reactives + products
A
Chemical equation
4
Q
Substances that participate in a chemical reaction(start)
A
Reactants
5
Q
Products
A
Substances formed in a chemical reaction
6
Q
Mass can’t be created or destroyed
A
Law of conservation of mass
7
Q
Law of conservation of energy
A
Energy can’t be created or destroyed
8
Q
Chemical reaction with an input of energy
A
Endothermic reaction
9
Q
Chemical reaction with output of energy
A
Exothermic reaction