Depends on the Identity of substance, not the amount.
200
Gas --> Liquid
What is Condensation?
200
Chemical changes are commonly referred to as a chemical ____.
Reaction
200
What is Filtration?
Used to separate heterogeneous mixtures composed of solids and liquids/ Liquid passes through leaving the solid in the filter paper.
200
What are the 4 parts of a solid?
Particles vibrate but cant move around
Fixed Shape
Fixed Volume
Virtually cant be compressible
300
Is Boiling Point Intensive or Extensive?
Intensive
300
Solid --> Liquid
What is Melting?
300
Which of the following statements appear to be false about chemical properties/change?
a)Describes the ability of a substance to undergo changes in identity
b) Can be observed without changing the identity of the substance
c) Can be chemically broken down
B) Can be observed without changing the identity of the substance
300
What is Distillation?
Used to separate homogeneous mixtures. Based on differences in boiling points of substances involved.
300
What are the 4 parts of a Liquid?
Particles can move around but are still close together
Variable Shape
Fixed Volume
Virtually not compressible
400
Is mass Extensive or Intensive?
Physical Property can be observed without changing the identity of the substance.
400
Liquid --> Solid
What is Freezing?
400
New substances have different ___ and ___ from original substances.
Compositions and Properties
400
What is Crystallization?
Separation technique that results in the formation of pure solid particles from a solution containing the dissolved substance. Produces Highly Pure Solids.
400
What are the 4 parts of a gas?
Particles can separate and move throughout the container
Variable Shape
Easily Compressed
Vapor= Gaseous state of a substance that is a liquid or solid at Room Temperature
500
Is the intensive property and extensive property chemical properties or physical properties?
Physical
500
Solid --> Gas
What is Sublimation?
500
What are the 4 signs of a chemical change?
Change in color/odor, Formation of a gas, Formation of a precipitate (solid), Change in Light or Heat
500
What is Chromatography?
Separates components of a mixture based on ability of each component to be drawn across the surface of another material. Mixture is usually liquid and us usually drawn across chromatography paper.
500
What are the 2 parts of a Plasma?
Particles collide with enough energy to break into charged particles
Gaslike, variable shape and volume