✅Examen #2- Material Asignado: Coloides Flashcards

1
Q

suspension de coloide

A

estado intermedio entre mezclas homogeneas y heterogeneas

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2
Q

coloide

A

dispersion de particulas de una sustancia a traves de otra sustancia

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3
Q

aerosoles

A

liquido o solido dispersado en gas

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4
Q

foams

A

gas dispersado en solido (polyester foam) o liquido (whipped cream o merengue)

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5
Q

emulsiones

A

liquido dispersado en otro liquido

(Mayonesa)

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6
Q

soles

A

solido dispersado en un liquido u otro solido

Ej. Leche de magnesia

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7
Q

gel

A

liquido dispersado en solido

(Mantequilla/jelly)

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8
Q

coloides hidrofobicos

A

-no son estables en agua
-para estar suspendidos en agua tienen que estar estabilizados

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9
Q

como se pueden estabilizar los coloides hidrofobicos

A

-absorbiendo iones en dos superficies
-por la presencia de otros grupos hidrofilicos en la superficie

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10
Q

emulsificacion

A

proceso de estabilizar un coloide que de otra forma no estaria dispersado

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11
Q

emulsificador o agente emulsificante

A

sustancia usada para lograr estabilizacion

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12
Q

aDsorbidos

A

material que colectan en la superficie

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13
Q

aBsorbidos

A

material que pasa al interior

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