Chemical Reactions Flashcards
1
Q
The process to rearrange atoms into a new substance
A
Chemical Reaction
2
Q
Chemical symbols + 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 chemical reaction
A
Reactants
5
Q
Substances formed in a chemical reaction (end)
A
Products
6
Q
Mass cannot be created or destroyed
A
Law of conservation of mass
7
Q
Energy cannot be created or destroyed
A
Law of conservation of energy
8
Q
Chemical reaction with input of energy
A
Endothermic reaction
9
Q
Chemical reaction with output of energy
A
Exothermic reaction
