lolgirl99392 lolgirl99392

26-04-2024
Chemistry

contestada

The isotope cobalt-57 has a half-life of 272 d. How long will it take a sample of cobalt-57 to decay to 38% of its original activity? Radioactive decay follows first order kinetics.
(A) 103 d
(B) 337 d
(C) 188 d
(D) 380 d

Relax

Respuesta :

Otras preguntas

A number b decreased by 14, how would you write this in a equation ?

Describe why/how some fish “advertise” themselves with their color patterns. What message(s) are they trying to send out to others.

How did other nations react to china as a result of Zheng he's voyages?

A racecar accelerates at a rate 19 m/s each second. If the mass of the race car is 1600 kg, determine the net force acting on the car. 30,400 N 8,400 N 84 N 300

Write the expression The product of seven and a number, increased by 5

How did the expansion of railroads affect American Indians in the West? They were displaced from their tribal lands, They moved into towns with the new settlers

0.04x -0.06y=0.48 0.08x-0.11 y=0.92

What do plants take into their structures in order to photosynthesize. Name all things they take in.

A prehistoric object is one that comes from a time .....?

Help now please due today