Term
|
Definition
| anything that has mass and takes up space |
|
|
Term
|
Definition
| the study of matter and how it changes |
|
|
Term
|
Definition
| is a characteristic of a substance that can be observed without changing the substance into another substance |
|
|
Term
|
Definition
| is a characteristic of a substance that describes its ability to change into other substances |
|
|
Term
|
Definition
| is any change that alters the apperance or for of a substance but does not make that substance into another substance |
|
|
Term
|
Definition
| a change in matter that produces one or more new substances |
|
|
Term
|
Definition
| the substances that undergo change in a chemcial reaction |
|
|
Term
|
Definition
| the new substances formed by the reaction |
|
|
Term
|
Definition
| a solid that forms from a solution during a chemical reaction |
|
|
Term
|
Definition
| the total making and breaking of bonds results in a net absorbtion of energy |
|
|
Term
|
Definition
| the total making and breaking of bonds results in a releasing of energy |
|
|
Term
|
Definition
| is a short easy way to show chemical reactions using symbols instead of words |
|
|
Term
|
Definition
| the principle that states nothing is created nor destroyed in a chemical reaction |
|
|
Term
|
Definition
| a place where matter can enter or escape to the surrondings |
|
|
Term
|
Definition
| a place where nothing is allowed to leave |
|
|
Term
|
Definition
| is a number placed in front of a chemical formula in an equation |
|
|
Term
|
Definition
| when two or more element combine to make a more complex substance |
|
|
Term
|
Definition
| occurs when compounds break down in several products |
|
|
Term
|
Definition
| when one element replaces another in a compound or when two elements in different compounds trade places |
|
|
Term
|
Definition
| is the minimum amount of energy needed t start a chemical reaction |
|
|
Term
|
Definition
| is the amount of substance in a given volume |
|
|
Term
|
Definition
| is a material that increases the rate of the reaction by lowering the activation energy |
|
|
Term
|
Definition
| biological catalysts located in the cells in your body |
|
|
Term
|
Definition
| a material used to decrease the rate of reaction |
|
|
Term
|
Definition
| a rapid reaction between oxygen and fuel |
|
|
Term
|
Definition
| a material that releases energy when it burns |
|
|
