Vocab Flashcards
1
Q
Chemical reaction
A
A process which atoms are rearranged to form new substances
2
Q
Chemical equation
A
An expression to show the relationship between reactants and products
3
Q
Reactant
A
Substances participate in a chemical reaction
4
Q
Product
A
Substances 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
7
Q
Endothermic reaction
A
Chemical reaction with an input of energy
8
Q
Exothermic reaction
A
Chemical reaction with an output of energy
