This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A radioactive substance containing 4.00 1016 unstable atoms has a half-life of 2.0 days. What is ... (Read 64 times)

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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

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
YES! Correct, THANKS for helping me on my review

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Behaviors that are suspicious for substance abuse Behaviors that are suspicious for substance abuse
(a) The relative age ranges of different dating techniques depend upon the half-life of the system u (a) The relative age ranges of different dating techniques depend upon the half-life of the system u
jellyfish life cycle jellyfish life cycle
In old age, as in all other stages of the life course, people find life more pleasant if they have ... In old age, as in all other stages of the life course, people find life more pleasant if they have ...
Types of Radioactive Decay Types of Radioactive Decay
Video: How to make cDNA Animation

For a complete list of videos, visit our video library