vocabulary for unit 8 chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| actual yield | amount of product produced when a chemical reaction is carried out
🗑
|
||||
| Avogadro's number | 6.0221367 X 10^23 which is number of representative particles in a mole can be rounded to 6.02 x 10 ^23
🗑
|
||||
| empirical formula | formula that shows the smallest whole number mole ratio of elements in a compound. it may or may not be the same as the actual molecular formula
🗑
|
||||
| excess reactant | reactant that remains after a chemical reaction stops
🗑
|
||||
| hydrate | a compound that has a specific number of water molecules bound to its atoms
🗑
|
||||
| limiting reactant | reactant that is totally consumed during a chemical reaction, limits the extent of the reaction and determines the amount of product
🗑
|
||||
| molar mass | mass in grams of 1 mole of any pure substance
🗑
|
||||
| mole | SI base unit used to measure the amount of a substance. Abbreviated mol the number of carbon atoms in exactly 12 g of pure carbon. also has 6.02 x 10^23 representative particles
🗑
|
||||
| mole ratio | in a balanced equation ratio between the number of moles of any 2 substances
🗑
|
||||
| molecular formula | formula that specifies the actual number of atoms of each element in 1 molecule of a substance
🗑
|
||||
| percent composition | percent by mass of each element in a compound
🗑
|
||||
| percent yield | ratio of actual yield (from experiment) to theoretical yield (from stoichiometric calculations) expressed as a percent.
🗑
|
||||
| stoichiometry | study of quantitative relationships between amount of reactants used and products formed by a chemical reaction, is based on law of conservation of mass.
🗑
|
||||
| theoretical yield | in a chemical reaction the maximum amount of product that can be formed from a given amount of reactant.
🗑
|
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:
mrsklann
Popular Chemistry sets