Chemical Reactions 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 reactants and products
A
Chemical equation
4
Q
Substances that participate in a reaction (start)
A
Reactants
5
Q
Substances formed in a 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
