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

Author Question: Suppose you start with 1 kilogram of a radioactive substance that has a half-life of 10 years. Which ... (Read 172 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jul 27, 2018
Suppose you start with 1 kilogram of a radioactive substance that has a half-life of 10 years. Which of the following statements will be true after 20 years pass?
 
  A) All the material will have completely decayed.
  B) You'll have 0.75 kilogram of the radioactive substance remaining.
  C) You'll have 0.25 kilogram of the radioactive substance remaining.
  D) You'll have 0.5 kilogram of the radioactive substance remaining.

Question 2

________ waves cannot travel through the Earth's liquid outer core.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AaaA

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

S


ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Jul 27, 2018
Wow, this really help

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Chemistry of life: four key concepts Chemistry of life: four key concepts
Grace Ndiritu, Still Life: White Textiles. Grace Ndiritu, Still Life: White Textiles.
To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ... To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ...
Agriculture in 10,000 years ago Agriculture in 10,000 years ago
Beak size in finches during dry years increases because of strong selection Beak size in finches during dry years increases because of strong selection
Structures of the brain related to substance abuse Structures of the brain related to substance abuse
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library