Scnce Vicab Chemical Reactionie Flashcards
1
Q
Law of conservation of energy
A
States that energy cannot be created or destroyed however can change form.
2
Q
Chemical reaction
A
Process to rearrange atoms into new substances
3
Q
Chemical formula
A
Chemical symbols and numbers to represent substances. Ex= H2O
4
Q
Chemical equation
A
Expression that shows the relationship between reactants and products
5
Q
Reactants
A
Substances that participate (start) in a chemical reaction
6
Q
Products
A
Substances formed after a chemical creation
7
Q
Law of conservation of mass
A
Mass is neither created or destroyed
8
Q
Endothermic reaction
A
A reaction with energy input
9
Q
Exothermic reaction
A
Reaction with energy output
