Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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
remaining cards
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:
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


chemical reactions

chemical equation a way to show a chemical reaction, using symbols instead of words.
law of conversation of mass states that during a chemical reaction, matter is not created or destroyed
open system matter can enter from or escape to the surroundings
closed system matter does not enter or leave (that occurs inside)
coefficient a number placed in front of a chemical formula in an equation
synthesis two or more elements or compounds combine to make a more complex substance
decompisition reaction occurs when compounds break down into simpler products
replacement when one element replaces another element in a compound , or if two elements in different compounds trade places
Created by: swoodard