Chemical Reaction Flashcards
1
Q
Process to rearrange atoms into new substances
A
Chemical Reaction
2
Q
Chemical symbols and numbers to represent a substance
A
Chemical formula
3
Q
Expression to show the relationship between the reactions and production
A
Chemical equation
4
Q
Substances that participate in a chemical reaction (start)
A
Reactants
5
Q
Substance formed in a chemical reaction (end)
A
Products
6
Q
Mass can not be created or destroyed
A
Law of conservation of mass
7
Q
Energy can not be created or destroyed
A
Law of conseruation of energy
8
Q
Chemical reaction with an input of energy
A
Endothermic reaction
9
Q
Chemical reaction with an output release of energy
A
Exothermic reaction
10
Q
How does a balanced equation show the law of conservation of mass
A
the mass of the system must remain consistent overtime.
