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

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 267 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Mar 21, 2021

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
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 mcmcdaniel on Mar 21, 2021

maya.nigrin17@yahoo.com

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


mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Mar 21, 2021
Wow, this really help

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Landmarks in the evolution of life on Earth Landmarks in the evolution of life on Earth
Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin
In pretend play, toy figures and animals “come to life” and interact with each other. In pretend play, toy figures and animals “come to life” and interact with each other.
A schematic view of delivery of a protein, synthesized in cytoplasm, into the nucleus A schematic view of delivery of a protein, synthesized in cytoplasm, into the nucleus
How to convert from degrees to degrees, minutes, seconds using your Fx-991ES Plus calculator How to convert from degrees to degrees, minutes, seconds using your Fx-991ES Plus calculator
Flowering plant life cycle Flowering plant life cycle
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library