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

Chem U6

writing chemical equations

QuestionAnswer
chemical equation The recipe that describes what you need to do in order for a reaction to take place
catalyst something that helps the reaction occur, but doesn't get used up
why does 2H2O2 not the same thing as H4O4 2H2O2 describes two different compounds; H4O4 is one compound
aqius a substances dissolved in a liquid; measured in molarity (# of moles per liter of solution)
law of conservation of matter atoms cannot be created or destroyed
why is the law of conservation of matter important in chemical equations it means that chemical equations must be balanced, because you cannot lose or gain anything in a chemical reaction
synthesis occurs when 2 or more simple compounds combine to form a complex one
decomposition a complex molecule breaks down into more simpler ones (car airbag)
single replacement an element reacts with an ionic compound. The cation is replaced
double replacement cations from 2 ionic compounds switch places
acid/base a double replacement reaction that produces water and a type of salt (ionic compound)
combustion occurs when oxygen combines with a hydrocarbon to form water, carbon dioxide, and heat.
what happens in combustion if the reaction is not complete? there will also be carbon left over as soot as will has CO
what is a hydroccarbon anything with a hydrogen and a carbon
why do gases react compared to liquid? because gases have more oxygen around them, and for fire to appear, there needs to be oxygen. liquid has no place for oxygen thoooo
Created by: allyson.lee
Popular Chemistry 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