Term
What has components that are obviously different? |
|
Definition
|
|
Term
A heterogeneous mixture always contains |
|
Definition
two or more substances that are visibly distinguishable |
|
|
Term
What is a pure substance? |
|
Definition
|
|
Term
This is a heterogeneous mixture. |
|
Definition
|
|
Term
This is a homogeneous mixture. |
|
Definition
|
|
Term
What is a thoroughly mixed homogeneous mixture of substance in a single phase? |
|
Definition
|
|
Term
This is not a homogenous mixture |
|
Definition
|
|
Term
This is a heterogeneous mixture |
|
Definition
|
|
Term
What is not a solute-solvent combination? |
|
Definition
|
|
Term
Water in air is an example of which solute-solvent combination? |
|
Definition
|
|
Term
Carbon dioxide in water is an example of which solute-solvent combination? |
|
Definition
|
|
Term
Sugar in water is an example of which solute-solvent combination? |
|
Definition
|
|
Term
Oxygen in nitrogen is an example of which solute solvent combination? |
|
Definition
|
|
Term
What mixture contains visible particles that settle out unless the mixture is stirred? |
|
Definition
|
|
Term
What mixture contains particles that are in a dispersed phase and do not settle out? |
|
Definition
|
|
Term
|
Definition
|
|
Term
An aerosol dispenser contains a colloidal dispersion of |
|
Definition
|
|
Term
The colloidal particles in a colloid form the |
|
Definition
|
|
Term
|
Definition
|
|
Term
The Tyndall effect is used to distinguish between |
|
Definition
|
|
Term
A substance whose water solution conducts a current is an |
|
Definition
|
|
Term
To conduct electricity, a solution must contain |
|
Definition
|
|
Term
|
Definition
|
|
Term
A substance whose water solution does NOT conduct a current is an? |
|
Definition
|
|
Term
What is a molecular substance whose water solution conducts electricity? |
|
Definition
|
|
Term
This is a nonelectrolyte? |
|
Definition
|
|
Term
Molecules whose water solutions conduct current |
|
Definition
|
|
Term
The dissolution of gases in liquid is generally |
|
Definition
|
|
Term
Heat of solution is generally expressed in |
|
Definition
kilojoules per mole of solute at a specified temperture |
|
|
Term
What is the value of solution at 25c represents the greatest release of energy? |
|
Definition
|
|
Term
The formation od solid-liquid solutions |
|
Definition
can either absorb or release heat |
|
|
Term
Pressure has the greatest effect on the solubility of |
|
Definition
|
|
Term
The solubitity of gases in liquids |
|
Definition
always increases with increasing pressure |
|
|
Term
|
Definition
pressure to gas-liquid solubility |
|
|
Term
For a mixture of gases, the solubility of each gas in water varies |
|
Definition
directly with the partical pressure of the gas |
|
|
Term
|
Definition
escape of gas from a gas- liquid solution |
|
|
Term
As temperture increases, solubility of gases in liquids |
|
Definition
|
|
Term
As temperture increases, solubility of solids in liquids |
|
Definition
|
|
Term
Cesium sulfate is a typical solid whose solubility decreases |
|
Definition
with increasing tempertures |
|
|