CHEMISTRY Questions and Answers [211581]2023

mass - -the amount of matter in an object -volume - -the amount of space occupied by an object -extensive property - -a property that depends on the amount of matter in a sample -intensive property - -a property that depends on the type of matter in a sample, not the amount of matter -substance - -Matter that has a uniform and definite composition -physical property - -a quality or condition of a substance that can be observed or measured without changing the substance's composition -solid - -of definite shape and volume -liquid - -a substance in the fluid state of matter having no fixed shape but a fixed volume -gas - -the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity -vapor - -matter that exists in the gas state but is generally a liquid or solid at room temperature -Physical change - -a change from one state (solid or liquid or gas) to another without a change in chemical composition -mixtures - -a physical combination of substances that can still be seperated -heterogeneous mixture - -a mixture in which the composition is not uniform throughout -homogeneous mixture - -a mixture in which the composition is uniform throughout -solution - -a homogeneous mixture of two or more substances