Physical Properties Flashcards
Combination of 2 or more substances that do not combine chemically but remain the same individual substances; can be separated by physical means
MIXTURE
Consist of visibly different substances or phrases (solid,liquid,gas)
Heterogeneous
Has the same uniform appearance and composition throughout
Homogeneous
Homogeneous mixture commonly referred to as __________.
Solutions
Mixture of two or more substances that is identical throughout (homogeneous)
Solution
Can be physically separated
Solution
This composed of solutes and solvent
Solution
What is solute?
The substances being dissolved
Solvent?
The substances that dissolves the solute
can be spontaneously mix in any proportion
Gaseous solutions
Is the most common and they can be obtained by dissolution of a gaseous, liquid or solid solute
Liquid solutions
They are generally called alloys. Where two or more metals are present
Solid solutions
Mercury alloys are called _______ and thy can be liquid or solid. Ex: alloys =steel,brass etc
Amalgams
In air how many percentage of nitrogen?
78%
In air, How many percentage is oxygen
20%
Example of liquid and gas
Soda
Example of liquid and solid
Saltwater,Milo and milk
Example of liquid and liquid
Oil and vinegar (salad dressing) perfume
A solution composed two or more elements. It chemically combined and can be separated by physical means
Alloy
The amount of solute dissolved in a solvent at a given temperature
Concentration
Low concentration of solute dissolved
Dilute
If it has a high concentration of solve dissolved, can see solid in bottom of a solution
Concentrated
What is the other term of mercury alloy?
Amalgams
