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

Author Question: Approximately how many radioactive atoms are present in a tritium sample with an activity of 0.6 ... (Read 37 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
Approximately how many radioactive atoms are present in a tritium sample with an activity of 0.6  10-6 Ci and a half-life of 12.3 years? (1 Ci = 3.7  1010 decays/s)
 a. 4  1010
  c. 7  108
  b. 2  108
  d. 1  1013

Question 2

Tritium has a half-life of 12.3 years. What proportion of its original radioactivity will a sample have after 6 years?
 a. 0.55
  c. 0.84
  b. 0.60
  d. 0.71
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 28, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Wow, this really help

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Gender differences in activity preference are found across cultures, although the specific ... Gender differences in activity preference are found across cultures, although the specific ...
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Sample time management planning chart for a massage student. Sample time management planning chart for a massage student.
How to calculate present value using the compound interest formula (Question 1) How to calculate present value using the compound interest formula (Question 1)
Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity
How many gold atoms are contained in 3.75 moles of gold? How many gold atoms are contained in 3.75 moles of gold?
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library