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

Author Question: Find the number of nuclei per unit volume (n = nuclei/cm3) for lead. atomic weight = 202.7 density = ... (Read 876 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Aug 10, 2020

Question 1

Calculate the half-value thickness (in mm) of lead if it reduces the intensity of a beam of x-rays whose wavelength is 10 pm by a factor of two. (Assume the linear absorption coefficient of lead is 43 cm−1 for x-rays of wavelength 10 × 10−12 m.)

◦
0.24

◦
0.20

◦
0.12

◦
0.16

◦
0.18


Question 2

Find the number of nuclei per unit volume (n = nuclei/cm3) for lead.


atomic weight = 202.7

density = 11.5 g/cm3

Avogadro's number = 6.02 × 1023

◦
2.51 × 1022

◦
3.42 × 1022

◦
2.93 × 1022

◦
2.94 × 1023

◦
2.05 × 1021
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by NguyenJ on Aug 10, 2020

jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 10, 2020
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 49% of students answer this correctly


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Aug 10, 2020
Gracias!

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Lead Plumbing Lead Plumbing
World population density World population density
Calculate the atomic mass of element Calculate the atomic mass of element
Physics - Pressure, Density, Pascal's Principle Physics - Pressure, Density, Pascal's Principle
Which of the following is not a unit factor related to a 10.0% aqueous solution Which of the following is not a unit factor related to a 10.0% aqueous solution
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library