Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

Science

QuestionAnswer
what is a substance in which the atoms of two or more elements are combined in a fixed proportion compound
substances that prevent certain chemical reactions are called inhibitors
a substance that speeds up a chemical reaction without undergoing a permanent change itself is an what? catalyst
a chemical reaction in which two or more substance combine to form another substance is a what kind of reaction? synthesis
the breaking down of a substance into tow or more substances is a what? decomposition
according to the law of conservation of mass, how does the mass of the products in a chemical equation compare with the mass of the reactants? the masses are equal
what is an insoluble solid that forms as the result of a double displacement reaction called a precipitate
what is a mixture that has the same composition, color, and density throughout? a solution
adding more solute to a solvent does what to the solvent? raises its boiling point
what would increase the solubility of a gas in a liquid increase the pressure. decrease the temperature
a dilute solution has a ....... of solute in the solvent small amount
one commonly used precise way to describe concentrations of solutions is to state the percentage by volume of the solute
the maximum amount of a solute that can be dissolved in a given amount of solvent is its solubility
the type of radioactive particle that can be stopped by a sheet of paper is the alpha particle
the most penetrating type of radiation is the gamma rays
a helium nucleus with two protons and two neutrons is called a alpha particle
protons in the nucleus are attracted to each other by the strong force
the process of nuclear decay is known as radioactivity
negatively charged particles emitted from a nucleus at a high speed are beta particles
the process by which nuclei haiving low masses are united to form nuclei having low masses are united to form nuclei with a larger mass is nuclear fusion
both a fusion reaction a fission reaction do what when their together? produce energy