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Novosadov [1.4K]
3 years ago
11

Ayuda plis :(Cuando una reacción es de orden cero: ¿porqué se llama orden cero?​

Chemistry
1 answer:
KiRa [710]3 years ago
3 0

Answer:

Revisa la explación detallada, por favor.

Explanation:

¡Hola!

En este caso, teniendo en mente la definición de ley de velocidad, es posible recordar que esta tiene la forma genérica:

r=k[A]^m

En donde k es la constante de velocidad, [A] la concentration de cualquier especie A en la reacción y m el orden the reacción. Ahora, hay tres órdenes de reacción, cero, primer, y segundo orden, y esto pasa cuando m=0, m=1 y m=2 respectivamente. Por lo tanto, si la reacción es de orden cero, la rapidez de reacción resulta igual a la constante de velocidad dado que la concentración estaría elevada a la cero y por consiguiente siempre tendrá valor de 1, por lo que la concentración no afecta la velocidad de reacción. Esto anterior se expresa como:

r=k[A]^0\\\\r=k

¡Saludos!

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