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74 As decae a 74 Ge en el 68% de los casos, y a 74 Se en los dems casos. La vida media de 74
74 As decae a 74 Ge en el 68% de los casos, y a 74 Se en los dems casos. La vida media de 74 As es 17,9 d.
a) Cul es la constante de decaimiento, l, para 74 As?
b) Cules son las constantes de desintegracin parcial para 74 As 74 Ge y 74 As 74 Se?
c) Cul es la actividad de una fuente que contiene 2,0 x 10 17 tomos de 74 As? Exprese su respuesta tanto en Bq como en Ci.
d) Cul es la tasa inicial de produccin de los tomos de 74 Se? Cul es la tasa a los 47 d?
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