Shared Flashcard Set

Details

Matter Ch. 1
N/A
30
Chemistry
Not Applicable
02/25/2013

Additional Chemistry Flashcards

 


 

Cards

Term
Law of Conservation
Definition
the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
Term
Example of Law of Conservation
Definition
A cue ball hits an 8 ball on a pool table. The cue ball had kinetic energy that caused the 8 ball to go into motion. Before the 8 ball was struck it had potential energy.
Term
Chemical Reaction Illustration
Definition
Two hydrogen molecules combining with one oxygen molecule.
Term
Differences between states of matter
Definition
Solid has a fixed shape and volume. Liquid has a fixed volume but not fixed shape. Gas fits into a container of almost any size and shape.
Term
Examples of states of matter
Definition
Solid: Rock
Liquid: Water
Gas: Oxygen
Term
Physical Property
Definition
May change the arrangement of matter in a sample, but not the structure of its molecules.
Term
Physical Property Examples
Definition
Mass, density and color.
Term
Chemical Property
Definition
Property or behavior of a substance when it undergoes a chemical change or reaction.
Term
Examples of Chemical Property
Definition
Toxicity, oxidation and flammability.
Term
Physical Change
Definition
A change from one state to another without a change in chemical composition.
Term
Examples of Physical Change
Definition
Melting an ice cube, crumpling a sheet of paper and casting silver into a mold.
Term
Chemical Change
Definition
Rearrangement of the atoms of one or more substances in their chemical properties or composition.
Term
Examples of Chemical Change
Definition
Burning Wood and dissolving salt in water.
Term
Pure Substance
Definition
A pure substance has uniform composition and properties in all its parts, as it consists of particles of only one kind. For example, sugar and salt are pure substances.
Term
Impure Substance
Definition
A substance is said to be impure if it has particles of other substances mixed in it.
Term
Define Element
Definition
Substance that cannot be broken down by chemical means.
Term
Example of Elements
Definition
Cesium, iron and neon.
Term
Define Compounds
Definition
A thing that is composed of two or more separate elements; a mixture.
Term
Examples of Compounds
Definition
Water, salt and hydrogen peroxide.
Term
Define Mixtures
Definition
Two or more substances combine so each substance retains its own chemical identity.
Term
Heterogeneous and Homogeneous Mixtures
Definition
A homogeneous mixture is where the components that make up the mixture are uniformly distributed throughout the mixture. A heterogeneous mixture has components that are not uniform.
Term
Define Intensive Property
Definition
An intensive property is a property of matter that does not change as the amount of matter changes.
Term
Examples of Intensive Property
Definition
Density and specific gravity.
Term
Define Extensive Property
Definition
An extensive property is a property of matter that changes as the amount of matter changes.
Term
Examples of Extensive Property
Definition
Mass and volume.
Term
Define Chromatography
Definition
Chromatography is a group of laboratory techniques to separate the components of a mixture by passing the mixture through a stationary phase.
Term
Gas Chromatography
Definition
Gas Chromatography which separates mixtures on the basis of their distribution between a stationary liquid phase and a mobile gas phase.
Term
Liquid Chromatography
Definition
Liquid Chromatography is when the stationary phase is a finely ground particulate solid.
Term
Thin Layer Chromatography
Definition
Thin Layer Chromatography incorporates a solid stationary phase and a mobile liquid phase to effect the separation of the constituents of a mixture.
Term
Chromatography Lab
Definition
We can use chromatography to separate the components of inks and dyes.
Supporting users have an ad free experience!