Chemical Reaction Vocab Flashcards
(8 cards)
1
Q
Chemical Reaction
A
Process in which atoms are arranged to produce new substances.
2
Q
Chemical equation
A
Expression to show the relationship between reactions plus products
3
Q
Reactants
A
The substance that participates(start) a chemical reaction
4
Q
Products
A
Are 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
The number in front of a chemical formula in a can change to balance and 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