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The ______ of matter relates to the kinds of elements it contains.
Composition
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What are the 3 states of matter
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What state of matter has no shape & no volume?
Gas
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What state of matter has definit volume & takesthe shape of its container?
Liquid
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What state of matter has definit volume & shape?
Solid
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The name of the chemicals in a reaction
System
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What is the name for everything that is not the system
surroundings
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Any charecteristic that gives a sample of matter it's unique I.D
Propererty
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Enity composed of 2 or more atoms attached to one another in a specific way
Molecules
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What is physical material of the universe, it is anything that occupies space.
Matter
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What is matter that has distinct properties and a composition that does not vary from sample to sample
- Pure Substance
- Examples: Water & Table salt
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What cannot be decomposed into a simpler a simpler substance
Elements
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Substance composed of two or more elements they contain two or more kinds of atoms
compounds
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What law observes that the elemental composition of a pure compound is always the same
Law of Constant Composition or Law of Definite Proportions
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What is a combination of different substances where each substance retains its own chemical idenity and properties.
The composition can vary.
Mixture
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What are the substances called that make up a mixture?
Components
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What is a mixture called that doesn't have the same composition, properties, & apperance throughout?
Heterogeneous mixture
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What is a mixture called that is uniform throughout?
Homogeneous
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What is another name for a Homogeneous mixture?
Solutions
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What are the two different type of properties?
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What properity can be observed without changing the identity and composition of the substance?
Physical Properties
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What do Physical Properties observe?
- Color
- Odor
- Density
- Melting point
- Hardness
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What property describes the way a substance may change, or react, to form other substances?
Chemical properties
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What is a common chemical property?
Flammability
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What property does not depend on the amount of the sample being examined?
Useful to I.D substances
Intensive
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What are some of the intensive properties?
- temperature
- melting point
- Density
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What properity depends on the quantity of a substance?
Extensive Properties
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What is an example of extensive properties?
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What type of change does a substance changes its physical apperance but not its composition?
Same substance before and after the change.
Physical change
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What change includes all changes of state?
L->G, L->S
Physical
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What type of change happens when a substance is transformed into a chemically different substance?
Chemical change or chemical reaction
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What are 3 ways of separating a mixture?
- Filtration
- Distillation
- Chromatography
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SI unit for length
Meter - m
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SI unit for time
Second s^a
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SI unit for temp
Kelvin - K
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SI unit for Amount of substance
Mole - mol
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SI unit for electric current
Ampere - A
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Giga
- abb. Meaning Ex.
- G 10^9 1 x 10^9
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Mega
- Abb. Meaning Ex.
- M 10^6 1 x 10^6
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Kilo
- Abb. Meaning Ex.
- k 10^3 1 X 10^3
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Deci
- Abb. Meaning Ex.
- d 10^-1 0.1
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Centi
- Abb. Meaning Ex.
- c 10^-2 0.01
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Milli
- Abb. Meaning Ex
- m 10^-3 0.001
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Micro
- Abb. Meaning Ex.
- u^a 10^-6 1 x 10^-6
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Nano
- Abb. Meaning ex.
- n 10^-9 1 x 10^-9
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Pico
- Abb. Meaning Ex.
- p 10^-12 1 x 10^-9
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femto
- Abb. Meaning Ex.
- f 10^-15 1 x 10^-15
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Kelvin conversion for Celsius
K = C + 273.15
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Celsius to Fahrenheit
C = 5/9 (F - 32)
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Fahrenheit to Celsius
F = 9 / 5 (C) +32
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Volume of a cube is given in what
- length cubed
- cubic meter m^3
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What is defined as the amount of mass in a unit volume of the substance
Density
D= Mass / Volume
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