Understanding States of Matter and Separation Techniques
Classified in Chemistry
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States of Matter
DIBUJO: 1 Liquid 2 Boiling point 3 Evaporating 4 Sublimation 5 Condensation 6 Melting 7 Solidification 8 Reverse sublimation
Evaporating
: It's not necessary to vaporize at 100°C
Boiling
: It's when a substance transforms to the gas state at a temperature of 100°C or higher
Graph
: 1-First, it's a solid substance 2 then the temperature increases 3 the solid substance melts and starts being a liquid substance 4 the temperature increases 5 the liquid substance vaporizes and starts being a gaseous substance 6 the temperature increases
Verify Pure Substance
: We know that a substance is pure because it has specific properties.
Sand+water
: Sedimentation - the sand stays at the bottom of the container and the water can be separated from it. The sand is at the bottom
Oil+water
: Decantation - we use an object to separate both substances. The two substances are in the same container, so when the first substance has finished separating, you stop the process
Colloids
:
Aerosols
: They are gaseous substances, but there are dispersed solid and liquid particles
Gels
: They are solid substances that have dispersed small liquid particles
Sols
: They are liquid substances that have dispersed solid particles