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 73 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
Excellent

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
Toddler: 1–3 years. Toddler: 1–3 years.
Long Term Control Medications Long Term Control Medications
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
I need help fill up the chart attached phtoto long question I need help fill up the chart attached phtoto long question
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library