Chapter 2.2 Flashcards
What is the difference between a Homogeneous Mixture and a Heterogenous Mixture?
Homogenous Mixtures are uniform and contain the same composition throughout; NOT NECESSARILY ONE SUBSTANCE.
Heterogenous Mixtures have a varied composition throughout.
What is a Solution?
Another name for a Homogenous mixture
What is a Phase?
A term used to describe any part of a sample with uniform composition and properties.
Ex) A fruit salad with grapes, apples, and banana has 3 phases
What are the methods of separating mixtures?
Filtration
Distillation
Decanting
What is Decanting?
Decanting is to separate a mixture by pouring off a layer.
What is Filtration?
Filtration is the process of separating a solid from a liquid. A filter or tool is used to filter out the solids from the liquid.
What is Distillation?
The process of boiling a liquid to produce a vapor that is then condensed to form a liquid, leaving just the formerly dissolved solid.
What is a Mixture?
A physical blend of two or more components.
What two categories can mixtures be broken into?
Homogeneous and Heterogeneous
What two categories can substances be broken into?
Elements and Compounds
What categories can Physical Properties be broken into?
Extensive and Intensive
What are some examples of intensive and extensive properties?
Intensive: color, taste, melting point, luster, boiling point, hardness
Extensive: mass, volume, length