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

Chem Vocab

QuestionAnswer
law of conservation of mass the mass of the product of a chemil reaction must be the same as the mass of the reactants in that reactin.
physical change change in the physical properties of a substance, as size or shape
chemical change involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
element one of a class of substances that cannot be separated into simpler substances by chemical means. See also chart under periodic table
chimical formula representation of a substance using symbols for its constituent elements
element (diatomic) molecule all of the atoms in the molecule are the same
compound molecule 2 diffrent elments
chemical equation a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
Chemical Reaction The chemical reaction H2(g) + ½ O2(g) → H2O(l) describes the formation of water from its elements.
reactants Starting material in a chemical reaction
products A product is a substance that is formed as the result of a chemical reaction
coefficent a coefficient is a multiplicative factor in some term of an expression (or of a series); it is usually a number, but in any case does not involve any variables of the expression. For instance in
subscript It is the number of atoms in the preceding element. Read more: http://wiki.answers.com/Q/In_chemistry_what_is_the_meaning_of_subscript#ixzz289RbmA9a
Created by: b0201857