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

Author Question: The Br-82 nucleus has a half-life of about 1.0 103 minutes. If you wanted 3.8 g of Br-82 and the ... (Read 260 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550

Question 1

Radioactivity is not useful for:

Dating artifacts and rocks.
Producing electricity.
Tracing pathways in biological systems.
Making chemicals like sulfuric acid.
Radioactivity is useful for all of these processes.

Question 2

The Br-82 nucleus has a half-life of about 1.0 × 103 minutes. If you wanted 3.8 g of Br-82 and the delivery time was three days, about how much NaBr should you order (assuming all of the Br in the NaBr was Br-82)?

3.8 g
7.6 g
4.6 g
98 g
9.9 g


Related Topics

Need homework help now?

Ask unlimited questions for free

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

maya.nigrin17@yahoo.com

  • Sr. Member
  • ****
  • Posts: 324
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 29% of students answer this correctly




mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library