Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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
edit
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 Reaction

QuestionAnswer
In a physical change there is a difference in the appearance, smell or simple display of a sample of matter without a change in _______________________. composition
Are melting, boiling, and breaking examples of a physical change? yes
Two signs of a chemical change are a change in color and the formation of ____________________. bubbles
The five conditions of chemical change are color change, formation of a precipitate, formation of gas, order change and _____________________ ________________. temperature change
A chemical change can create a new _____________. substance
When substances chemically combine, __________________ with completely different properties form. products
In chemical reactions, the properties of the resulting substances will be different that those of the __________________. reactants
During chemical reactions bonds are ____________________ and new bonds are formed. broken
During a chemical reaction, a new substance(s) with the same number of _____________ as the initial substance(s) is formed. (products retain the same numbe rof atoms as the reactants.) atoms
The Law of the Conservation of Mass states the mass of the products equals the mass of the _______________. reactants
The Law of the Conservation of Mass states that to balance the equation there must be the ________________ number of atoms of each element on each side. same
The Law of the Conservation of Mass is fundamental to the idea of balancing chemical ________________________. reactions
The Law of the Conservation of Mass accounts for the fact that in a chemical equation the mass of the products has to be _________ to the mass of the reactants equal
The Law of the Conservation of Mass reinforces the idea that atoms are the fundamental building block of ________________. matter
The Law of the Conservation of Mass states when a chemical reaction takes place, the reaction must end with the same number of ______________ it began with. atoms
The ____________________ are the elements you are combining together to get a reaction. reactants
Created by: mominter
Popular Science sets

 

 



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