How many atoms were present in the source was prepared

Reference no: EM13553279

For a Tellurium-132 sample, 6566 counts were observed between 5.0 and 8.0 hours after the preparation of the source, how many atoms were present when the source was prepared?

Reference no: EM13553279

Questions Cloud

What is the approximate internal rate of return : What is the approximate internal rate of return for the project

Explain what is the radius of a gallium atom : Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm . What is the radius of a gallium atom

What is the stress in the landing gear struts : Consider a light airplane, 5158 lbs, with a tricycle landing gear. The front wheel is 5.62’ ahead of the c.m., the rear wheels are 1.12’ behind the c.m. The front wheel strut is 1” dia and the rear wheel struts are 3” dia.

An engine based on the stirling cycle : An engine based on the Stirling cycle uses 2.2 kg of N; as its working fluid. 570 kJ of heat enters at a temperature of 850 K during each cycle. Heat is exhausted at 330 K. You may neglect the temperature dependence of the specific heat in this probl..

How many atoms were present in the source was prepared : For a Tellurium-132 sample, 6566 counts were observed between 5.0 and 8.0 hours after the preparation of the source, how many atoms were present when the source was prepared

Estimate the average power produced by this force : A 600 gram particle (initially at rest at the origin) is subjected to a force of F=15i+20j (N) which pushes the particle along a track with a displacement described by s=3i+4j (m). calculate the average power produced by this force

Define maximum wavelength of light for photoelectric effect : If the work function of a metal is 4.39 eV, what is the maximum wavelength of light that can be used to observe the photoelectric effect

What is the relative speed and direction of car : if car a is moving east at a speeed of 40mph realtive to the ground and car b is moving east at 30mph relative to the ground. what is the relative speed and direction of car b

How far behind is the third place runner : The 2007 world record for the men's 100m dash was 9.77 seconds. The third place runner crossed the finish line in 10.07 s. how far behind is the third place runner

User Account

All Pages