Chemical Reaction Vocab Flashcards
(8 cards)
1
Q
Chemical reaction
A
a process in which atoms are rearranged to form new substances
2
Q
Chemical Equation
A
expression to show the relationship between reactants + products
3
Q
Reactants
A
substances that participate in (start) a chemical reaction
4
Q
Products
A
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
number in front of a chemical formula. Can change to balance
a chemical equation
7
Q
Endothermic reaction
A
Chemical reaction with an input of energy
8
Q
Exothermic Reaction
A
Chemical reaction with an output of energy
