Chapter 3 Flashcards
Solid______.
Are a form of matter that have their own definite shape and volume
What is a substance?
Matter with a uniform and unchanging composition, has a unique composition
Liquids____.
Are a form of matter that have a definite volume but take the shape of a container
Gases____.
Have no definite shape or volume, they expand to fill the container.
Vapor___.
Refers to the gaseous state of a substance that is a solid or liquid at room temperature.
A characteristic that can be observed or measured without changing the samples composition is ____?
Physical peoperty
Extensive properties
How much is present like volume, mass, length
Intensive
Dependent on what the substance how much is not there
The ability of a substance to combine with or change into one or more other substance is called___.
Chemical property
A change that alters a substance without changing its composition is known as a____.
Physical change
___ is a transition of matter from one state to another
Phase change
A change that involves one or more substances turning into new substance is a __.
Chemical change
The law of ________ of ______ states that mass is neither created nor destroyed in chemical reaction, it is conserved
Conservation of mass
In a chemical reaction the mass of the reactants is ____ to the mass of the products.
Equal to
A combination of two or more pure substances in which each pure substance retains its individual chemical properties
A mixture
