Activity in counts per minute

Assignment Help Other Subject
Reference no: EM131058212

A 1.076 gram sample of Thorium-Z has a half life of exactly 517 minutes. It was brought into the Great Basin Lab in the morning and set up in a half life experiment. The sample showed an activity of 10,000 counts per minute 9:00 AM What was the activity in counts per minute 24 hours later? Neglect background count.

  • 1,445 counts per minute 24 hours later
  • 2,845 counts per minute 24 hours later
  • 3,016 counts per minute 24 hours later
  • 999 counts per minute 24 hours later
  • 822 counts per minute 24 hours later

Reference no: EM131058212

Questions Cloud

Calculate the equilibruim constant : After a mixture of hydrogen and nitrogen gases in a reaction vessel is allowed to attain equilibrium at 472 degrees C, it isfound to contain 7.38 atm H2, 2.46 atm N2, and 0.166 atmNH3.
Prepare consolidated financial statements : Why did the parent entity have to prepare consolidated financial statements when the subsidiary company is a separate legal entity in its own right
Determine the number of atoms : Determine the number of atoms for each element in the reactants. Determine the number of atoms for each element in the products.
Determine the half life of the isotope : He generates a TRENDLINE of: y = 3,456 e ^ - (0.75 x) using EXCEL plots the activity in counts per minute as a function of time, the time plotted in minutes on the X axis. From this TRENDLINE determine the half life of the isotope.
Activity in counts per minute : A 1.076 gram sample of Thorium-Z has a half life of exactly 517 minutes. It was brought into the Great Basin Lab in the morning and set up in a half life experiment. The sample showed an activity of 10,000 counts per minute 9:00 AM What was the..
Calculate the amount of heat required : Calculate the amount of heat required to completely sublime 74.0gof solid dry ice(CO2)at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3kJ/mol.
Mass in grams to three significant figures : Butane (C4H10) is the liquid fuel in lighters. How many grams of carbon are present within a lighter containing 7.25mLof butane? (The density of liquid butane is 0.601g/mL.) Express the mass in grams to three significant figures.
Analyzing a complex topic means breaking : As your final writing assignment for this class, you will write a paper that analyzes a topic relevant to the relations between the medical and the social. Analyzing a complex topic means breaking it into smaller parts to understand it better.
Historical risk and return relationships in capital markets : Calculate the range of returns that an investor would have expected to achieve 95 percent of the time from holding common stocks.

Reviews

Write a Review

Other Subject Questions & Answers

  Explain nora reasons for leaving her home and family

Discuss how the Younger's enivrionment impacts their lives. Even though Walter Sr never appears in the play, he is an important character. Discuss his significance.

  What is the biophosphonate medication

Is it possible that biophosphonate medication will become an alternative to hormone replacement therapy for women to prevent or treat osteoporosis?

  Vincent was desperately ill with particularly virulent and

vincent was desperately ill with a particularly virulent and painful form of cancer.nbsphe was

  Describe how culture influences make-believe play

Discuss how peer interactions change during infancy and the preschool years. Describe how culture influences make-believe play.

  Separation of powers and checks

In your initial post of at least 200-250 words, analyze how the U.S. Constitution implements separation of powers and checks and balances.

  Company origin-history-corporate structure and growth

Investigate and analyze the company's origin, history, corporate structure and growth. Identify the strengths and weaknesses within the company in reference to their diversity initiatives

  How to assess employee needs to tailor effective rewards

how can you assess employee needs to tailor effective rewards? what are the pros and cons of group versus individual

  Difference between juran definition of strategic quality

What is the difference between Juran’s definition of Strategic Quality Management and Madu and Kuei’s definition of Strategic Total Quality Management?

  Why does poverty matter

Why does poverty matter, not only to people who are in poverty, but to those who are not?  Post your thoughts in this topic.  See what your class mates think and respond to them.

  Improving your learning skills

Identify and explain the ways that humans learn (reading, writing, speaking, listening). Analyze yourself in relation to your strongest and weakest areas of learning and provide examples that reflect how you plan on improving your learning skills.

  Freedman''s bureau to americn social welfare

What were the major contributions of the Freedman's Bureau to Americn Social Welfare? Why was the program so important to the development of social welfare from a national perspective?

  Explain a variation on the consumption function

Draw the function Y = F(K,L ¯) in terms of Y and K, for some fixed L. On the same graph, plot the cost function for renting a certain amount of capital at a rental price of R, i.e. RK. For a profit maximizing firm, illustrate graphically how much ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd