Chemistry Test 2

17 terms by skellum

Create a new folder

Advertisement Upgrade to remove ads

Combustion

A chemical change, accompanied by the production of heat and light or burning.

Chemical change

any process determined by the atomic and molecular composition and structure of the substances involved

Specific heat

The amount of thermal energy required to raise the temperature of one kilogram of a substance by one Kelvin

Endothermic reaction

A reaction that absorbs energy in the form of heat

Exothermic reaction

A reaction that releases energy in the form of heat

Chemical formula

shows the number and kinds of atoms in a molecule

Chemical reaction

a process in which substances undergo chemical changes

Balanced chemical equation

A chemical equation in which there are the same number of elements and atoms on each side of the yield sign

Compound

A substance made of two or more elements chemically combined in a set ratio

Boiling Point

The temperature at which a liquid boils at a fixed pressure.

Precipitate

A solid that forms from a solution during a chemical reaction

Subscript

A number in a chemical formula that tells the number the number of atoms on a molecule or the ratio of elements in a compound

Reactants

A substance that enters into a chemical reaction

Alloy

a mixture made of two or more elements, at least one of which is a metal, which has the properties of a metal

Polymer

A large, complex molecule built from smaller molecules bonded together

Molecule

A combination of two or more atoms that are bonded together

Products

A substance formed as a result of a chemical reaction

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set