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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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


What are some examples of a chemical reaction? -cooking -explosions -burning -blood clotting etc.
Do exothermic reactions give out or use energy? Give out energy
What are three things that can increase molecular collisions? 1. Higher Temperature 2. Higher Concentration 3. More Surface Area
If the temperature is higher the reaction rate is? Faster.
What are the 3 states of matter? -Solid -Liquid -Gas
What is a chemical reaction? A chemical reaction is a reaction that forms new substances.
As the concentration goes lower the reaction rate gets? Slower.
What is the law of conservation of mass? The total mass of the reactants is always equal to the total mass of the products.
If there is more surface area, the rate of the reaction would be? Faster.
What type of energy is released during an exothermic reaction? Usually heat but also light, sound and electrical energy.
What type of reaction depends on energy to happen? an Endothermic reaction for example photosynthesis or baking bread.
what are the two main types of reactions? Physical and Chemical.
WHat are some examples of a physical reaction? -Melting Ice -freezing ice -blending -crushing something like fruit or ice -evaporation
what is a physical reaction? a reaction that can generally be reversed. it doesn't form any new substances.
Created by: Acaruso