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 134 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?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

The Calvin Cycle Was Determined by Isotope Labelling Methods The Calvin Cycle Was Determined by Isotope Labelling Methods
Furchgott's discovery that endothelial cells produce a vasodilating substance. Furchgott's discovery that endothelial cells produce a vasodilating substance.
Hormonal Changes in Puberty Girls and boys follow very different hormonal paths at this life stage Hormonal Changes in Puberty Girls and boys follow very different hormonal paths at this life stage
Stepwise approach for managing asthma in adults and patients 12 years and older. Stepwise approach for managing asthma in adults and patients 12 years and older.
Patients Older than 60 Years of Age Patients Older than 60 Years of Age
Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ... Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ...
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library