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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

Cumulative Vocab

Midterm Review

TermDefinition
manipulated variable the independent variable in an experiment; you can decide ahead of time to increase it or decrease it, or change it.
responding variable the dependent variable in an experiment; the part of the experiment that is observed for some kind of change or effect.
heterogeneous mixture any mixture that is not uniform in composition.
homogeneous mixture any mixture that is uniform in composition throughout.
SI units a system of physical units based on the meter, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.
heat of fusion change in enthalpy resulting from heating a given quantity of a substance to change its state from a solid to a liquid.
dissociation the disconnection or separation of something from something else or the state of being disconnected.
buffer a solution that resists changes in pH when acid or alkali is added to it. Buffers typically involve a weak acid or alkali together with one of its salts.
orbital each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons, and that can be represented as a wave function.
chemical energy energy stored in the bonds of chemical compounds; released in a chemical reaction, often producing heat as a by product.
Created by: michelle4231