Equilíbrio químico Flashcards

1
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8
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9
Q

Kw (produto iônico da água)

A

Ki x [H2O] = [H+] . [OH-] = 10^-14

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10
Q

Fenolftaleína: indique seu comportamento nos meios ácido, neutro e básico

A

ácido e neutro: incolor
básico: rosa/vermelho

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11
Q

Fórmulas de pH e pOH

A

pH= - log [H+]
pOH= - log [OH-]
pH + pOH = 14

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12
Q

Grau de ionização (alfa)

A

Valor entre 0 e 1
(alfa) = No de ionizadas/ No total de

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13
Q

Fórmula [H+]

A

[H+] = M . x . (alfa)

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14
Q

Fórmula Ka e Kb

A

Ka = M . (alfa)^2
Kb = M . (alfa)^2

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15
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