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EQUILIBRIO QUÍMICO

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QUÍMICA II Dpto. de Química Física<br />

Tema 6 Equilibrio químico<br />

13<br />

N<br />

K<br />

P<br />

<br />

Unidades de la constante de equilibrio<br />

3H<br />

NH<br />

2 2<br />

2<br />

P<br />

1<br />

N<br />

P<br />

2<br />

2<br />

2<br />

NH3 , eq atm<br />

213<br />

2<br />

atm atm<br />

3<br />

1 3<br />

, eqPH<br />

, eq<br />

atm atm<br />

2<br />

K P<br />

3<br />

<br />

unidades<br />

Se define constante de equilibrio normal:<br />

K<br />

0<br />

P<br />

<br />

P 0 =1 bar<br />

En general,<br />

<br />

0<br />

2<br />

PNH<br />

, eq<br />

P<br />

<br />

0<br />

<br />

1<br />

<br />

0<br />

P P P P <br />

N<br />

2<br />

, eq<br />

2<br />

, eq<br />

3<br />

<br />

<br />

de<br />

<br />

K<br />

presion<br />

<br />

<br />

productos<br />

<br />

0<br />

P<br />

NH<br />

i<br />

<br />

3 N<br />

<br />

2 H 2<br />

i ,<br />

<br />

i,<br />

reactivos<br />

i<br />

<br />

<br />

<br />

P<br />

<br />

<br />

i,<br />

eq<br />

0<br />

i P<br />

2<br />

atm<br />

atm<br />

1<br />

atm<br />

atm atm<br />

atm<br />

3<br />

<br />

<br />

H<br />

<br />

<br />

<br />

<br />

0<br />

adimension<br />

K P<br />

3<br />

i<br />

1<br />

2 1<br />

3 <br />

al<br />

2

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