Topic 3 - Balancing Equations Flashcards
1
Q
what is a chemical reaction?
A
the process of going from reactants to products
2
Q
what does the state symbol s mean?
A
solid
3
Q
what does the state symbol l mean?
A
liquid
4
Q
what does the state symbol g mean?
A
gas
5
Q
what does the state symbol aq mean?
A
aqueous
6
Q
why do equations need to be balanced?
A
there must always be the same number of atoms of each element on both sides