chemical equations Flashcards
1
Q
How can chemical reactions be described?
A
Chemical reactions can be described using word equations or chemical equations.
2
Q
what are the 4 subscripts?
A
solid (s); liquid (l); gas (g); aqueous solution (aq)
3
Q
Why balance chemical equations?
A
We write balanced chemical equations to show that mass is conserved.
4
Q
Coefficient
A
Coefficient is the number in front.
5
Q
Subscript
A
Subscript is the number below - this is determined by the valency of the elements
6
Q
State of matter
A
State of matter - This is the state of matter the compound exists in for the reaction.