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

Author Question: The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much ... (Read 103 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much tritium will be left after 30 years?
 a. 0.20 kg
  b. 1.8 kg
  c. 0.18 kg
  d. 1.7 kg
  e. 4.1 kg

Question 2

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. What will be the initial decay rate, at t = 0 (in decays/s)?
 a. 1.09  1014
  b. 1.8  10-9
  c. 5.6  108
  d. 3.6  1018
  e. 3.6  1017


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


Metfan725

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

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?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
The life cycle of the genus Pinus The life cycle of the genus Pinus
(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b) (a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
An overlapping record extends back thousands of years of tree ring width An overlapping record extends back thousands of years of tree ring width
Life Cycle Nutrition: Pregnancy through Infancy Life Cycle Nutrition: Pregnancy through Infancy
Pizza and eating disorders can be life threatening Pizza and eating disorders can be life threatening
Cyanobacteria from 850 million years ago (Photo 2) Cyanobacteria from 850 million years ago (Photo 2)
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library