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