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

Author Question: What was the original mass of a cobalt-60 sample that decayed for 100 years to a mass of 0.0259 g? ... (Read 18 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Mar 21, 2021

Question 1

What is the half-life of manganese-52 if a 1.50 g sample decays to 0.0469 g in 28 days?

◦ 5.6 days
◦ *

Question 2

What was the original mass of a cobalt-60 sample that decayed for 100 years to a mass of 0.0259 g? The half-life of cobalt-60 is 5.27 years.

◦ 1.33×104 g
◦ *
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by biggirl4568 on Mar 21, 2021

dlook33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Mar 21, 2021
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 39% of students answer this correctly


biggirl4568

  • Member
  • Posts: 551
Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
Checklist of Developmental Skills: Birth to 5 years Cont. Checklist of Developmental Skills: Birth to 5 years Cont.
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
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ... The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
An example of DNA profile results for the 13 original CODIS STRs An example of DNA profile results for the 13 original CODIS STRs
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library