記憶度
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問題一覧
1
is generally considered to be a bounded space or an exact quantity of a material substance.
System.
2
consists of at least two phases with one or more dispersed (internal) phases contained in a single continuous (external) phase.
Dispersion.
3
a distinct homogenous part of a system separated by a definite boundaries from other parts of a system.
Phase.
4
defined as a mixture of two or more components that form a homogenous molecular dispersion.
True solutions.
5
A solution is a _mixture of 2 or more substances in a single phase. (True/False)
True.
6
the part of a solution that is being dissolved (usually the lesser amount)
Solute.
7
– the part of a solution that dissolves the solute (usually the greater)
Solvent.
8
Gold-Silver mixture
Solid-solid.
9
Paraffin in mineral oil
Solid-liquid.
10
Hydrogen in palladium
Gas-solid.
11
Aqueous sodium chloride solution
Liquid-liquid.
12
Carbonated water
Gas-liquid.
13
Iodine Vapor in air
Solid-gas.
14
Water in oxygen
Liquid-gas.
15
Air
Gas-gas.
16
solution contains the maximum quantity of solute that dissolves at that temperature.
Saturated.
17
solution contains less than the maximum amount of solute that can dissolve at a particular temperature
Unsaturated.
18
solution contains more than the maximum amount of solute that a solvent can dissolve at a given temperature.
Supersaturated.
19
What are the classes of solutes
Nonelectrolytes & Electrolytes.
20
What are the strong electrolytes
HCI, MGCl2 & NACl.
21
What are weak electrolytes
Phenobarbital & Ephedrine.
22
Some compounds dissolve in water but do not conduct electricity.
Non electrolytes.
23
Substances that do not yield ions when dissolved in water
Non electrolytes.
24
solution contains a mole (one gram molecular weight) in a liter of solution or one millimole per milliliter of solution.
Molar.
25
molecular weight expressed in grams
Mole.
26
one thousandth part of a mole
Millimole.
27
solution contains a mole (one gram molecular weight) in one thousand grams of solution.
Molal.
28
solution contains one gram equivalent weight of solute in a liter of solution or one gram milliequivalent weight in a milliliter of solution
Normal.
29
One where the properties depend only on the concentration of solute.
Ideal solutions.