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

Author Question: Polonium-215 alpha decays with a half life of 1.8 ms. (a) How much is left after 1. second? (b) ... (Read 32 times)

JMatthes

  • Hero Member
  • *****
  • Posts: 578
on: Jul 27, 2018
Polonium-215 alpha decays with a half life of 1.8 ms.
 
  (a) How much is left after 1. second?
  (b) What is the daughter nucleus?

Question 2

If a new force were discovered that had a range on the order of 10-18 meters:
 
  (a) predict the mass of the exchange particle.
  (b) how long is conservation of energy violated in the exchange of this particle?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) fraction remaining: N/No = 4.2  10-170
(b) Lead-211

Answer to Question 2

(a) 4  10-25 kilograms
(b) 3  10-27 seconds


JMatthes

  • Member
  • Posts: 578
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Quadrants of the Left Breast Quadrants of the Left Breast
Life Expectancy for Birth in Men and Women Life Expectancy for Birth in Men and Women
The exhaust drives the turbine wheel on the left, which is connected to the impeller wheel on the ... The exhaust drives the turbine wheel on the left, which is connected to the impeller wheel on the ...
Two wells are filled with related or partially identical antigens. The well on the left contains an ... Two wells are filled with related or partially identical antigens. The well on the left contains an ...
Growth and quality of life Growth and quality of life
Time Line for Life’s Origin and Evolution Time Line for Life’s Origin and Evolution
Video: Steps of glucose catabolism

For a complete list of videos, visit our video library