Term
|
Definition
| can be dissolved in another material, such as water |
|
|
Term
|
Definition
| homogeneous mixture of 2 or more substances in a single physical state |
|
|
Term
|
Definition
| substance that does the dissolving in a solution |
|
|
Term
|
Definition
|
|
Term
|
Definition
-keep separate identity
- some physical properties may change
-no change inm chemical composition
-substances can be present in any amount
-can be separated by physical means |
|
|
Term
| what are the two types of mixtures |
|
Definition
| Homogenous and heterogenous |
|
|
Term
|
Definition
| mixture that does not appear the same throughout |
|
|
Term
particles are large enough to be seen
and
particles settle |
|
Definition
|
|
Term
|
Definition
| mixture that apperas the same throughout |
|
|
Term
particles are too small to be seen
and
particles do not settle out |
|
Definition
|
|
Term
|
Definition
-particles are mixed together but not dissolved
-particles are relatively large (but not large enough to be seen)
-particles are suspended
-scatters light |
|
|
Term
|
Definition
| homogeneous of 2 or more substances in a single physical state |
|
|
Term
|
Definition
|
|
Term
|
Definition
most can not be separated by simple physical means
-does not scatter light
-every part tastes the same
-particles are evenly spaced |
|
|
Term
|
Definition
a substance that disolves in another substance
-sugar
-salt
-a spin
-Ice-T mixture |
|
|
Term
|
Definition
|
|
Term
|
Definition
a substance that does not dissolve in another substance
-gas
-sand
-olive oil
-motor oil |
|
|
Term
|
Definition
metal solution
-homogeneus
-solution |
|
|
Term
|
Definition
| amount of solute that can be completely dissolved in a given amount of solvent at a specific temp. |
|
|
Term
|
Definition
| solutions with a small amount of solute |
|
|
Term
|
Definition
| solutions with a large amount of solute |
|
|
Term
|
Definition
| a solution taht contains as much solute as can be dissolved at a specific temp. and pressure |
|
|
Term
|
Definition
| smallest particle of an element that still have properties of that element |
|
|
Term
|
Definition
| simplest pure substance that can not be changed into a simpler substance by heating or a chemical process |
|
|
Term
|
Definition
2 or more atoms chemically bonded together- could be compound or element
-H2 or H2O |
|
|
Term
|
Definition
2 or more different elements chemically combined
-H2O, CO2, CO |
|
|
Term
|
Definition
| is made of only one type of material |
|
|
Term
|
Definition
| shorthand way of representing the elements |
|
|
Term
|
Definition
shorthand way or representing chemical substances-combination of chemical symbols
-CO2 |
|
|
Term
|
Definition
gives the number of atoms of the element in the compound
- no number= implies 1
-CO2-carbon=1
-Oxygen=2 |
|
|
Term
|
Definition
descrption of a chemical reation using symbols and formulas
-must be balanced
-C+O2 -> CO2
balanced |
|
|
Term
|
Definition
number in front of a chemichal formula that is used to balance a chemical equation
-coefficients are multiplies by subscripts
-5(CH4)2
Carbon-10
Hydrogen-40 |
|
|
Term
| when you make lemonade from powder, what is the solute? What is the solvent? |
|
Definition
solute- lemonade powder
slovent- water |
|
|
Term
| what is soluble in water? what is insoluble in water |
|
Definition
soluble- salt, sugar, lemonade powder, asprin
insoluble-oil, motor oil, sand, gas |
|
|
Term
| what makes up a mixture? how is it mixed? how can you separate them? |
|
Definition
can be seperated by physical means
not chemically combined
two or more substances combined but not chemicaly |
|
|
Term
| what happens with the pariciles in a homogeneous mixture? heterogeneous mixture? |
|
Definition
Homogeneous-well mixed and particles are not easaly seen, whippedcream, toothpaste, suntain lotion
heterogeneous-the particles are large enough to be seen (not well mixed) water and sand, burger, tacos, oil and water |
|
|
Term
| how can you increase the solubility of an solution |
|
Definition
| you can increase the solubility of a substance by heating or cooling it |
|
|
Term
| what is the difference between colloids and compounds |
|
Definition
| colloids are two particles that are mixed together but not dissolved while compounds are two or more different elements chemically combined |
|
|
