This topic contains a solution. Click here to go to the answer

Author Question: If we start with 1.000 g of cobalt-60, 0.675 g will remain after 3.00 y. This means that the of is ________ y. (Read 17 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570

Question 1

If the decay constant for 131I is 9.98 × 10-7 s-1, calculate the activity of a 1.00 mg sample.
◦ 4.59 × 1012 atoms/s
◦ 4.73 × 1012 atoms/s
◦ 4.61 × 1024 atoms/s
◦ 9.98 × 10-4 atoms/s

Question 2

If we start with 1.000 g of cobalt-60, 0.675 g will remain after 3.00 y. This means that the of is ________ y.
◦ 3.08
◦ 4.44
◦ 2.03
◦ 5.29
◦ 7.65


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by asan beg on Jul 8, 2021

carolinefletcherr

  • Sr. Member
  • ****
  • Posts: 313
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 56% of students answer this correctly




asan beg

  • Member
  • Posts: 570
Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review


AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library