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 42 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

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Location of Alpha Centauri in Centaurus Location of Alpha Centauri in Centaurus
Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The
The path of blood flow through the chambers of the left and right side of the heart, including the v The path of blood flow through the chambers of the left and right side of the heart, including the v
In 1993 Clinton succeeded in brokering a deal between Israeli prime minister Yitzhak Rabin (left) ... In 1993 Clinton succeeded in brokering a deal between Israeli prime minister Yitzhak Rabin (left) ...
Undrape the left leg up to the waist, being careful not to expose the gluteal cleft. Tuck the drape ... Undrape the left leg up to the waist, being careful not to expose the gluteal cleft. Tuck the drape ...
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library