Various definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Colloid | A homogenous mixture that does not separate or settle out. The particles will pass through a filter but not a semi-permeable membrane.
🗑
|
||||
| Solution | A homogenous mixture of two or more substances
🗑
|
||||
| Semipermeable membrane | allows solvent molecules such as water and very small solute particles to pass through.
🗑
|
||||
| Suspensions | Contain very large size solute particles. These particles can be seen without a microscope making it heterogeneous.
🗑
|
||||
| Osmosis | Passage of solvent through a semipermeable membrane.
🗑
|
||||
| Dialysis | Passage of small particles as well as water through a semipermeable membrane.
🗑
|
||||
| KSCN | Used to test the presence of FeCl3. Red is a positive result.
🗑
|
||||
| Iodine | Used to test for the presence of starch. A blue-black color is a positive result.
🗑
|
||||
| Tyndall Effect | The ability of light to shine through a solution. Readings can be from strong to dim light. It shows how dense the particles are in the suspension.
🗑
|
||||
| Acid | A substance that ionizes and produces H+ ion when dissolved in water.
🗑
|
||||
| Base | A substance that produces OH- when dissolved in water or an H+ acceptor.
🗑
|
||||
| Ammonia shown as a base | A water molecule has to be included as a reactant.
🗑
|
||||
| Buffer | A solution that will resist changes in pH when small amounts of acid or base are added.
🗑
|
||||
| Buffer systems | Comprised of a weak base and the salt of a weak base.
🗑
|
||||
| Example of weak acetic acid | HC2H3O2 (acetate) --> acetic acid
🗑
|
||||
| Three common buffers that regulate the human body | carbonate system, phosphate system and the protein system
🗑
|
||||
| Blue | base
🗑
|
||||
| Red | acid
🗑
|
||||
| Solute concentration | Amount of solute dissolved in a certain amount of solvent or solution.
🗑
|
||||
| Molarity | Number of moles of solute per liter of solution and is given the symbol M.
🗑
|
||||
| Molar mass |
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
daydreamer67
Popular Chemistry sets