Chemical Recations Flashcards
1
Q
Process to rearrange atoms into new substances
A
Chemical raction
2
Q
Chemical symbols and numbers to represent a substance
H20
A
Chemical formula
3
Q
Expression to show the relationship between reactants and products
A
Chemical equation
4
Q
Substances that participate (start) in chemical reaction
A
Reactants
5
Q
Substances formed (end) in a chemical reaction
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 an input of energy (photosynthesis)
A
Endothermic reaction
9
Q
Chemical reaction with an output (release) of energy (burning/feeling the heat)
A
Exotermic reaction
