15-1: Basics Of Solutiosn Flashcards
1
Q
Compounds
A
- atoms that are chemically combined
- pure substance
- in a fixed proportion
2
Q
Mixture
A
- atoms/molecules that are not physically combined
- in a variable proportion
- not a pure substance
3
Q
Homogeneous mixture
A
- even distribution of particles
4
Q
Heterogenous mixtures
A
- uneven distribution of particles
5
Q
Dilute
A
- not much solute
6
Q
Most dilute mixtures are…
A
Homogenous
7
Q
S_______ dissolves s_________.
A
Solvent dissolves solute.
8
Q
Solutions
A
- homogenous mixtures
- particle size of x < 1 nm (of the largest particles)
- clear (colorless or colored)
9
Q
Colloid
A
- homogenous mixtures
- particle size of 1-1000 nm (of the largest particles)
- cloudy (colorless or colored)
- solute is the dispersed phase
- solvent is the dispersing medium
10
Q
Solute
A
What is being dissolved
11
Q
Solvent
A
What is doing the dissolving
12
Q
Color of solutions
A
Colorless or colored
13
Q
In a solution, does the mass the solute and solvent have to be equal?
A
No
14
Q
Separating a mixture
A
Heterogenous: filtration
Homogenous: distillation, evaporation
15
Q
In a solution, does it separate upon standing?
A
- No
- Only suspensions
- Not solutions/colored
16
Q
Insoluble vs Soluble
A
- does not dissolve
vs - dissolves
17
Q
How can you check if something can dissolve?
A
Table F
