Chemical Reaction Vocab Flashcards
1
Q
Process in which atoms are rearranged to produce new substances
A
Chemical reaction
2
Q
An expression to show the relationship between reactants and products
A
Chemical equation
3
Q
The substances that participate in (start) a chemical reaction
A
Reactants
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
Number in front of a chemical formula. Can change to balance an equation
A
Coefficient
7
Q
Chemical reaction with an input of energy
A
Endothermic reaction
8
Q
Chemical reaction with an output of energy
A
Exothermic reaction
9
Q
A
