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

Author Question: The equation shows a fission reaction:U + n Nb + X + 4 nWhat is the missing term X in the equation? (Read 616 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Oct 11, 2019

Question 1

An archaeologist finds the 14C in a sample of of material to be decaying at 107 Bq. A modern sample of the same material decays at 151 Bq,and assume this rate has also held in the past. The half-life of 14C is 5730 years. How old is the sample?
◦ 8980 years
◦ 6230 years
◦ 8530 years
◦ 17,000 years

Question 2

The equation shows a fission reaction:

U + n → Nb + X + 4 n

What is the missing term X in the equation?
◦ Ag
◦ Sb
◦ Sb
◦ Sb
◦ Ag
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by 2125004343 on Oct 11, 2019

dreamfighter72

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Oct 11, 2019
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


2125004343

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Oct 11, 2019
Thanks


dreamfighter72

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Oct 11, 2019
Welcome :)


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

This diagram shows a cross-section of a solar-type star. This diagram shows a cross-section of a solar-type star.
Alcoholic fermentation Chemical Equation Alcoholic fermentation Chemical Equation
Part of a Semantic Network in Long-Term Memory Part of a Semantic Network in Long-Term Memory
Simplify Trig Equation Simplify Trig Equation
Determining the equation of a triangle median Determining the equation of a triangle median
Peptide bond formation between two amino acids, resulting from a dehydration reaction Peptide bond formation between two amino acids, resulting from a dehydration reaction
Video: Transferring genes into plants Animation

For a complete list of videos, visit our video library