Not the same as heat!!!. HeatTemperature Form of energy Quantity of energy within a system Heat...
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Transcript of Not the same as heat!!!. HeatTemperature Form of energy Quantity of energy within a system Heat...
![Page 1: Not the same as heat!!!. HeatTemperature Form of energy Quantity of energy within a system Heat flows from higher temp to lower temp Measure of.](https://reader036.fdocuments.net/reader036/viewer/2022083008/56649cdc5503460f949a696f/html5/thumbnails/1.jpg)
TEMPERATURE…Not the same as heat!!!
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Heat Temperature
Form of energy Quantity of energy within
a system Heat flows from higher
temp to lower temp
Measure of intensity of heat
SI unit for temp is Kelvin No degree symbol for
Kelvin K K , °C, °F
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Mixture Retain individual properties May be physically separated
Filtration solids from suspension Magnet magnetic Centrifuge suspended from solution Sift large from small Distillation solvent from solution Fractional distillation separate alcohol Chromatography colors Electrophoresis molecules based on
size Evaporation solute from solution
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Element
Can not be broken down Found on the periodic table Simplest form Building block of all substances
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Compound
Combination of two or more elements Can not be separated by physical
means Do not retain properties of their
individual elements
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Molecule
Smallest uncharged individual unit of a compound
Formed by two or more atoms joined together
Water All compounds are molecules but not all
molecules are compounds
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Mixture Homogeneous Uniform
Heterogeneous Two or more phases
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PropertiesPhysical Chemical Color Taste Odor Physical existence State of matter Mp Density Bp
Ability of substance to form a new substance
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ChangesPhysical Chemical Changes in physical
properties Change in state of matter No new substance is
formed
New substance is formed Different set of properties
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Intensive Properties Extensive Properties
Do not depend on the amount of matter
Color Odor Luster Malleability Ductility Conductivity Hardness Melting/Freezing Point Boiling Point Density
Depend on the amount of matter
Mass Weight Volume Length