Chem 3 (matter) Flashcards
Matter is anything you can (4)
Touch, taste, smell, feel
A property describes how an object (3)
Looks
Feels
Acts
All properties of matter are described as either (2)
Physical
Chemical
A physical property can usually be observed with
Our senses
Physical property includes color, quality of objects substance with respect to
reflection of light
Physical property size
Objects overall dimensions
Physical property volume
Amount of space a substance or object occupies
Physical property density is ratio of _ in a substance
Mass and volume
Physical property boiling point/melting point
Temp at which something boils or melts
Physical property magnetism
Whether or not something is magnetic
Physical property solubility
How easily something dissolves in another substance
Physical properties are broken down into two different categories (2)
Intensive properties
Extensive properties
Intensive properties don’t depend on
Amount of substance present
Example of intensive not depending on amount of substance present
Density (at room temp) is the same no matter how much substance you have
Extensive properties depend on
Amount of matter being measured
Example of extensive properties depending on amount
Mass, length, volume depend on how much you have
If you measure the intensive property of 10mg to 10kg of a substance
Makes no difference
Measuring extensive property of 10mg and 10kg
Makes huge difference
Intensive properties include (c,o)
Color
Odor
Intensive properties include (t,fp)
Temperature
Freezing point
Intensive properties include (mp,bp)
Melting point
Boiling point
Intensive properties include (d,som)
Density
State of matter
Intensive properties include (m,d)
Malleability
Ductility
Extensive properties include (s,l)
Size
Length
Extensive properties include (w,v)
Width
Volume
Extensive properties include (m,w)
Mass
Weight
Extensive properties can be added together (example)
Two Pennie’s have more mass than one penny
A chemical property is any characteristic that can be determined only by
Changing a substance’s identity
A substances identity can be changed through a
Chemical reaction
Chemical properties include (r,t)
Reactivity
Toxicity
Chemical properties include (f,c)
Flammability
Combustibility