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

Author Question: In the fission reaction 235U + 1n 141Ba + 92Kr + neutrons, the number of neutrons produced is A) ... (Read 61 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Jul 29, 2018
In the fission reaction 235U + 1n  141Ba + 92Kr + neutrons, the number of neutrons produced is
 
  A)
 
  0.
  B)
 
  4.
  C)
 
  1.
  D)
 
  3.
  E)
 
  2.

Question 2

Living matter has 1.3  10-10 of its carbon in the form of 14C which has a half-life of 5730 yr. A mammoth bone has a 300-g sample of carbon separated from it, and the sample is found to have an activity of 20 decays per second.
 
  How old is the bone? A)
 
  15,000 yr
  B)
 
  10,900 yr
  C)
 
  11,500 yr
  D)
 
  7,600 yr
  E)
 
  6,400 yr


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

B


naturalchemist

  • Member
  • Posts: 542
Reply 2 on: Jul 29, 2018
:D TYSM

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Changes in chromosome number Changes in chromosome number
Time dependence of the rates of a chemical reaction Time dependence of the rates of a chemical reaction
Reaction 1: The First ATP Investment Reaction 1: The First ATP Investment
Endergonic reaction Endergonic reaction
Extension of telomeric DNA by telomerase: The overall reaction Extension of telomeric DNA by telomerase: The overall reaction
Determination of the Number of Polygenes (n) Determination of the Number of Polygenes (n)
Video: Griffith's experiments

For a complete list of videos, visit our video library