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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

B&W Chem Interaction

PH review chapter 1

Anything that has mass and occupies space. Matter
The study of the properties of matter and how matter changes. Chemistry
Any characteristic of a substance that can be observed or measured without changing the composition of the substance. Physical Property
Any property of a substance that produces a change in the composition of matter. Chemical Property
The process in which substances undergo chemical changes that result in the formation of new substances. Chemical Reaction
A change that alters the form or appearance of a material but does not make the material into another substance. Physical Change
A solid that forms from a solution during a chemical reaction. Precipitate
A reaction that absorbs energy in the form of heat. Endothermic Reaction
A reaction that releases energy in the form of heat. Exothermic Reaction
A short, easy way to show a chemical reaction, using symbols. Chemical Equation
A substance that enters into a chemical reaction. Reactant
A substance formed as a result of a chemical reaction. Product
The principle stating that matter is not created or destroyed during a chemical reaction. Conservation of Mass
A system in which no matter is allowed to enter or leave. Closed system
A system in which matter can enter from or escape to the surroundings. Open system
A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction. Coefficient
A chemical reaction in which two or more simple substances combine to form a new, more complex substance. Synthesis
A chemical reaction that breaks down compounds into simpler products. Decomposition
A reaction in which one element replaces another in a compound, or when two elements in different compounds trade places. Replacement
The minimum amount of energy needed to get a chemical reaction started. Activation energy
The amount of one material in a certain volume of another material. Concentration
A material that increases the rate of a reaction by lowering the activation energy. Catalyst
A protein that speeds up chemical reactions in the body. Enzyme
A material that decreases the rate of a reaction. Inhibitor
The process of burning a fuel. Combustion
A substance that provides energy as the result of a chemical change. Fuel
Created by: bwise



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:
restart all cards