nn Flashcards
1
Q
what is the conservation of constant composition
A
'’each compound has the same elements bonded together in a fixed ratio’’
2
Q
wha is the law or conservation of mass
A
'’in an isolated system the total mass remains constant after nay chemical changes ‘’
3
Q
how can you prove the law of conservation of mass
A
by showing that te mass or reactants = mass of products
4
Q
what is a isolated system
A
a system in which there is no exchange of matter with the surroundings. matter cannot enter or exit the system
