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Chem Ch1 Sahmedxo

QuestionAnswer
The study of matter and the changes matter undergoes Chemistry
Anything that occupies space and has mass Matter
Rigid shape, maintains volume, not compressible, no flow Solid
Assumes containers shape, maintains volume, not compressible, has flow Liquid
Assumes containers shape and volume, is compressible, and has flow Gas
A state of matter that has total disorder, much empty space, particles have complete freedom of motion and are far apart Gas
A state of matter that has disorder, particles or clusters of particles are free to move relative to each other and are close together Liquid
A state of matter that has ordered arrangement, particles are in fixed positions and are close together Crystalline Solid
Contain only one material with a fixed composition Pure Substance
Two or more elements bonded together Compound
This type of pure substance is made up of one type of atom and can be combined to make compounds Element
This type of pure substance is made up of one type or molecule or unit and the units contain two or more different kinds of atoms Compound
Consists of two or more pure substances mixed together Mixture
A mixture made of multiple substances whose presence can be seen and the portions of its sample have different compositions and properties Homogeneous
A mixture made of multiple substances, but appears to be one substance, and all portions of an individual sample have the same composition and properties Heterogeneous
Bronze Solution(Solid)/Homogeneous Mixture/Alloy Mixture/
Pepperoni Pizza Heterogeneous Mixture
Maple Syrup Solution
Steel Pipe Solution
Carbon Monoxide Pure Substance/Compound
Arsenic Pure Substance/Element
Vegetable Oil Solution/Homogeneous Mixture
Properties that can be observed without changing a substance into another substance Physical Properties
Properties that can only be observed when a substance is changed into another substance Chemical Properties
Changes that alter the state or appearance of the matter without altering the composition Physical Changes
Changes that alter the composition of the matter (Atoms are rearranges, old bonds break and new bonds form) Chemical Changes
What type of change in matter is boiling water? Physical
What type of change in matter is rusting iron? Chemical
What are some common physical changes? State (Phase) Changes: Boiling/Condensing Melting/Freezing Subliming As well as Dissolving
What are some common chemical changes? Rusting Burning Dyes fading or changing color
Chromatography Separate by differences in solubility in a solvent
Filtration Separate by state
Distillation Separate components by boiling point
SI base unit for Length Meter
SI base unit for Mass Kilogram
SI base unit for Time Second
SI base unit for Temperature Kelvin
What is the freezing and boiling points of water on the Kelvin Scale 273K/373K
What is the freezing and boiling points of water on the Celsius Scale 0*C/100*C
SI base unit for Length Meter
SI base unit for Mass Kilogram
SI base unit for Time Second
SI base unit for Temperature Kelvin
What is the freezing and boiling points of water on the Kelvin Scale 273K/373K
What is the freezing and boiling points of water on the Celsius Scale 0*C/100*C
SI prefix multiplier for Kilo 10^3
SI prefix multiplier for Centi 10^-2
SI prefix multiplier for Milli 10^-3
A measure of quantity of matter in an object Mass
A measure of the pull of gravity on an object Weight
The amount of space a object occupies Volume
Ratio of mass of an object to its volume Mass/Volume Density
The proximity of a measurement to the true value of a quantity Accuracy
The proximity of several measurements to each other Precision
How many cm does 1in= 2.54
Created by: SahMedxo
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