1. Stoichiometric relationships Flashcards
1
Q
Compound
A
a substance formed when two or more chemical elements are chemically bonded
2
Q
Homogenous mixture
A
A mixture which has uniform composition and properties throughout.
3
Q
Heterogenous
A
A mixture which does not have uniform composition and properties throughout.
4
Q
Mole
A
The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C.
5
Q
Avogadro’s law
A
equal volumes of all gases at the same temperature and pressure contain the same number of molecules. (1 mole of gas has a volume of 22.4 dm^3)