Shared Flashcard Set

Details

Dynamic notecards
....
22
Chemistry
8th Grade
03/02/2012

Additional Chemistry Flashcards

 


 

Cards

Term
What is a heterogeneous?
Definition
are composed of two or more components that are: unequally
Term
What is a homogenerous?
Definition
are composed of two or more components that are: equally
Term
What is a solution?
Definition
is a mixture of one substance dissolved in another so the properties are the same throughout.
Term
What is a solute?
Definition
 is a substance that is dissolved into the solvent.
Term
What is a solvent?
Definition
 is defined as the base substance, wherein the solute is being dissolved.
Term
What is a concentrated?
Definition
a solution in which much of the water has been removed
Term
What is a saturated?
Definition
 is a solution in which the solvent cannot dissolve any more solute to increase the concentration of the solution.
Term
What is a unsaturated?
Definition
is a fat ir a fatty acid and which thier is a least have a double bond to the fatty chain
Term

What is a supersaturated?

Definition
A solution which has reached saturation at a higher temperature
Term
What is a acid, base, and salt?
Definition

Acid=a substance that yields hydrogen ions when dissolve in water

Base=

Term
What are different properties?
Definition
of matter describes its "potential" to undergo some chemical change or reaction by virtue of its composition.
Term
What is a neutralIzation?
Definition
is the basis of titration, where a pH indicator shows equivalence point when the equivalent number of moles of a base have been added to an acid.
Term
What is a Ph Scale?
Definition
measures how acidic or basic a substance is. The pH scale ranges from 0 to 14
Term
What is a indicators?
Definition
A way to measure, indicate, point out or point to with more or less exactness
Term
What is a ionic compounds?
Definition
are basically defined as being compounds where two or more ions are held next to each other by electrical attraction.
Term
What is a chemical change?
Definition
the substances are altered chemically and display different physical and chemical properties after the change.
Term
What are the four signs?
Definition

1) color change
2) the formation of gas bubbles
3) formation of a precipitate
4) temperature change

Term
What is a Exothermic?
Definition
An exothermic reaction is a reaction that releases heat.

Term
What is a endothermic?
Definition
 is a chemical reaction in which energy (heat, light, etc.) is absorbed instead of being released as it is in a exothermic reaction.
Term
What is a equation?
Definition
 says that two things are equal.
Term
What is a The conservation of mass?
Definition
 the mass in a system that is closed will be constant.
Term
What is Catalyst?
Definition
as a substance that increases the rate of a chemical reaction
Supporting users have an ad free experience!