Chemical Reaction 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 reactant+products
A
Chemical equation
4
Q
Substances that participate in (start) in a chemical reaction
A
Reactants
5
Q
Substances formed (end) in a chemical reaction
A
Products
6
Q
Mass can’t be created or destroyed
A
Law of conservation of mass
7
Q
Energy can’t be created or destroyed
A
Law of conservation of energy
8
Q
Chemical reaction with an output of energy (photosynthesis)
A
Endothermic reaction
9
Q
Chemical reaction with an output of energy (burning/feeling heat, release)
A
Exothermic reaction