Chemical Reaction Flashcards
1
Q
Chemical reaction
A
A process in which atoms are rearranged to form new substances
2
Q
Chemical equation
A
An expression that shows the relationship between reactants and products
3
Q
Reactants
A
Substances that participate in(start) a chemical reaction
4
Q
Product
A
The substances that are formed in a chemical reaction
5
Q
Law of Conservation of mass
A
Matter cannot be created or destroyed
6
Q
Coefficient
A
A number in front of a chemical formula, it can change to balance a chemical equation
7
Q
Endothermic reaction
A
A chemical reaction with an input of energy
8
Q
Exothermic Reaction
A
Chemical reaction with an output of energy
9
Q
A
