Phase changes
liquid to solid
freezing
is rotting fruit a chemical or physical change?
chemical
Endothermic _____ heat
absorbs
What are the 2 ways to classify matter?
Pure substances and mixtures
What are the different types of mixtures?
Heterogenous, immiscible, homogeneous, miscible
liquid to gas
evaporation
what property is pressure?
physical
What's a sign that a chemical change occurred?
color change
odor change
release of heat
gas is created
precipitate
name 3 examples of elements
anything on the periodic table
Examples of homogeneous mixtures:
Wine, coffee, Air, blood
solid to liquid
melting
what properties are oxidation states?
chemical
True or false: dry ice sublimation is a chemical change
false
What's the difference between a compound and a molecule?
A compound is made up of 2 or more different elements.
A molecule is made up of different elements and/or compounds
Is immiscible when the 2 liquids mix?
NO. thats when they dont mix
Gas to solid
Deposition
is flammability a physical property?
no. It is a chemical
Is dissolving a physical change?
yup.
What can elements be broken down to?
nothing
True or false: soda with ice is a heterogeneous mixture
true
solid to gas
sublimation
is the ability to conduct electricity, magnetism, and heat a physical or chemical property?
physical
why is cooking an egg a physical change?
its not. its a chemical change
Are all compounds molecules?
YEAS
Is chicken from Chick-fil-A a miscible mixture?
NOUUR