[Answered] A radioactive substance containing 4.00 1016 unstable atoms has a half-life of 2.0 days. What is ...

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piesebel

Hero Member
Posts: 565

on: Jul 27, 2018

A radioactive substance containing 4.00 1016 unstable atoms has a half-life of 2.0 days. What is its activity (in curies) after 1 day?

What will be an ideal response?

Question 2

In the fission reaction 235U + 1n 141Ba + 92Kr + neutrons, the number of neutrons produced is

A) 0.
B) 4.
C) 1.
D) 3.
E) 2.

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emily12345

Sr. Member
Posts: 321

Reply #1 on: Jul 27, 2018

Answer to Question 1

4.3 Ci

Answer to Question 2

D

piesebel

Member
Posts: 565

Reply 2 on: Jul 27, 2018

TYSM

aruss1303

Member
Posts: 314

Reply 3 on: Yesterday

Gracias!

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