Equilibrio QuĆ­micošŸ¦  Flashcards

1
Q

constante de equilibrio

A

K=c(prod)/ c(reacc)

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2
Q

grado de disociaciĆ³n

A

Ī±= #moles ionizados/ # moles totales

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3
Q

Ɣcido

A

sustancia capaz de ceder iones H+

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4
Q

base

A

sustancia capaz de aceptar iones OH-

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5
Q

pH

A

pH=-logc(H+)

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6
Q

pOH

A

pOH=-logc(OH-)

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7
Q

pH + pOH

A

pH+pOH=14

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8
Q

Kaā€¢Kb

A

pH=-logc(H+)=10^-14

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9
Q

kH2O

A

kH2O=10^-14

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10
Q

que sucede si disminuye la concentraciĆ³n de OH?

A

disminuye el pH

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11
Q

que sucede si disminuye la concentraciĆ³n de H3O?

A

aumenta el pH

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12
Q

por quƩ una sustancia es Ɣcida?

A

porque la concentraciĆ³n de iones H es mayor que la concentraciĆ³n de iones OH

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13
Q

por quƩ una sustancia es bƔsica?

A

porque la concentraciĆ³n de iones OH es mayor que la concentraciĆ³n de iones H

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14
Q

quĆ© pasa si aumenta la concentraciĆ³n de los reaccionantes?

A

el equilibrio se desplaza hacia los productos

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15
Q

que pasa si aumenta la concentraciĆ³n de los productos?

A

el equilibrio se desplaza hacia los reacciones

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16
Q

que pasa si ā–³H<0 ?

A

aumenta la temperatura: el equilibrio se desplaza hacia los reaccionantes

disminuye la temperatura: el equilibrio se desplaza hacia los productos

17
Q

que pasa si ā–³H>0?

A

aumenta la temperatura: el equilibrio se desplaza hacia los productos ( aumenta k)

disminuye la temperatura: el equilibrio se desplaza hacia los reaccionantes (disminuye k)

18
Q

quĆ© pasa si aumenta la concentraciĆ³n del ion?

A

se desplaza la reacciĆ³n hacia el equilibrio por lo que disminuye la concentraciĆ³n de H3O y aumenta el pH