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

Author Question: Plutonium has a half life of 2.4 104 years. How long does it take for 99 of the plutonium to decay? ... (Read 28 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
Plutonium has a half life of 2.4  104 years. How long does it take for 99 of the plutonium to decay?
 
  A) 1.6  106 y
  B) 1.6  105 y
  C) 1.6  104 y
  D) 1.6  103 y
  E) 1.6  102 y

Question 2

A radioactive substance with a half-life of 3 days has an initial activity of 0.24 Ci. What is its activity after 6 days?
 
  A) 0.48 Ci
  B) 0.02 Ci
  C) 0.06 Ci
  D) 0.23 Ci
  E) 0.12 Ci


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Tazate

  • Member
  • Posts: 532
Reply 2 on: Jul 27, 2018
Wow, this really help

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

The deep-sea vent hypothesis for the origin of life The deep-sea vent hypothesis for the origin of life
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Willem de Zwart: Still Life with Apples in a Delft Blue Bowl, 1880–1890 Willem de Zwart: Still Life with Apples in a Delft Blue Bowl, 1880–1890
As their numbers grow and their resources and health improve, the elderly will enjoy life more and ... As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...
The Life Cycle of a Midlatitude Cyclone: Cyclogenesis The Life Cycle of a Midlatitude Cyclone: Cyclogenesis
Video: Hemodynamics Animation

For a complete list of videos, visit our video library