Term
|
Definition
is everything that has mass or volume |
|
|
Term
|
Definition
| a substance that is the same throughout |
|
|
Term
|
Definition
a change that does not change the composition of the substance. EX. cutting, bending, melting, boiling, freezing, dissolving, etc. |
|
|
Term
|
Definition
| and volume and has a definite shape. There is no room for particles to move past each other |
|
|
Term
|
Definition
a characteristic of a substance that can only be observed by changing the substance's composition. EX. whether or not something will rust, decompose, ferment, react with oxygen, etc. |
|
|
Term
|
Definition
| the study ofchemicals and the changes they undergo |
|
|
Term
| Law of Conservation of Mass |
|
Definition
| the amount of Mass of the products = the Mass of products of the reactants |
|
|
Term
|
Definition
a mixture with visibly different parts. EX. concrete, leaf, car, pillow |
|
|
Term
|
Definition
| the simpilest kind of a pure substances. The cant be seperated by chemical means, building blocks for every other substance. |
|
|
Term
|
Definition
| Has only one kind of matter |
|
|
Term
|
Definition
a homogenous mixture, that is the same throughout. EX. Apple juice, plain white paper. air, sugar water |
|
|
Term
|
Definition
| Takes the shape and volume of its container, lots of space between the particles |
|
|
Term
|
Definition
chemically bonded combinations of 2 or more elements. EX. Sodium Chloride, Water, Carbon Dioxide |
|
|
Term
|
Definition
| the amount of matter that an object contains. |
|
|
Term
|
Definition
| When a liquid is boiled and then condensed back to a liquid. Can seperate a salt- water solution. |
|
|
Term
|
Definition
a characteristic that can be observed without changing the substance's compostion EX. color, mass, odor, density, magnetism, melting point,boiling point, solubility. |
|
|
Term
|
Definition
| end result of a chemical reaction |
|
|
Term
|
Definition
| has definite volume, takes shape of container barely enough space between particles |
|
|
Term
|
Definition
a change that DOES change the compostion of the substance EX. burning, change in temp, color, gives off light, or gas |
|
|
Term
|
Definition
| when a liquid mixture passes through filter paper, anything solid will not pass through the filter paper. The liquid with anything dissolved in it will pass through. |
|
|
Term
| Law of Conservation of Energy |
|
Definition
| amount of energy in the universe is always the same; energy isnt created nor destroyed |
|
|
Term
|
Definition
| the capacity to do work or to produce heat |
|
|
Term
|
Definition
| measurement of the average kinetic energy of the particles of a substance |
|
|
Term
|
Definition
|
|
Term
|
Definition
| indicates the number of each kind of element in the compound. |
|
|
Term
|
Definition
when a solution is seperated by allowing it to flow along a stationary substance [image] |
|
|
