Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

Formulas & Equations

Chemistry Chapter 3

QuestionAnswer
the sum of the atomic masses of all the atoms in a molecule molecular mass
the sum of the atomic masses of all atoms in a formula unit of a compound formula mass
the quanitity of a given substance that contains as many molecules or formula units as the number of atoms in exactly 12 g of carbon-12. The amount of substance containing Avogadro's number of molecules or formula units. mole (mol)
the number of atoms in a 12-g sample of carbon-12, equal to 6.02 x 10^23 to three significant figures Avogadro's number
the mass of one mole of substance. In grams, it is numerically equal to the formula mass in atomic mass units. molar mass
the mass percentages of each element in a compound. percentage composition
parts per hundred parts of the total, by mass mass percentage
the formula of a sub-stance written with the smallest integer (whole-number) subscripts empirical (simplest) formula
the calculation of the quantities of reactants and products involved in a chemical reaction stoichiometry
the reactant that is entirely consumed when a reaction goes to completion limiting reactant (reagent)
the maximum amount of product that can be obtained by a reaction from given amounts of reactants theoretical yield
the actual yield (experimentally determined) expressed as a percentage of the theoretical yield (calculated) percentage yield
Created by: 723851979
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards