6.1 Chemical Equations Flashcards
1
Q
Define chemical equations
A
Describes chemical changes occurring in chemical reactions
2
Q
When a chemical reaction produces energy, the reaction is called __
A
Exothermic
3
Q
What can the numbers in a balanced chemical equation represent?
A
Moles of atoms/molecules
Individual atoms/molecules
4
Q
What does the Law of Conservation of Mass say?
A
Matter is neither created nor destroyed. No apparent change in mass during a chemical reaction.
5
Q
Who discovered the Law of Conservation of Mass?
A
Antoine Laurent Lavoisier
6
Q
What is conserved/not conserved during a chemical reaction?
A
Conserved: mass, atoms, energy
Not: molecules
