User Account

All Pages

What would the percentage of thorium

Assignment Help Science
Reference no: EM132449870

1.) A human piece of pottery is dated at 42,250 years old by using carbon-14. How many half lives have passed since the pottery was made?

2.) What would the percentage of thorium- 232 (parent compound) be in a rock that was dated at 2.8 billion years?

3.) The concentration of the radioactive isotope potassium-40 in a rock sample is found to be 6.25%. What is the age of the rock?

4.) A rock found to contain 2.2 grams of uranium-232, a radioactive isotope. If the rock has undergone 2.75 half lives, what was the original amount of uranium-235 in the rock and how old is the rock?

5.) An igneous rock originally has 4 gram of uranium-238 in it. When dated, the rock only contains 2.4 grams. What are the parent and daughter concentrations (in percentages) and what is its age?

Reference no: EM132449870

Questions Cloud

Identify three security risks of open source software : Explain the Internet of Things. What are the advantages of using a data warehouse? Identify three security risks of open source software.
Power and conflict in organizations : Can a person without influence be a leader? Does having influence automatically make someone a leader? Have you ever engaged in impression management?
Discuss characteristics to effective corporate governance : Povide support for your response, citing the ways in which these characteristics usually lead to effective corporate governance
Fire prevention and suppression in buildings : There are several standards and guidelines that apply to fire prevention and suppression in buildings. OSHA has promulgated several standards
What would the percentage of thorium : A human piece of pottery is dated at 42,250 years old by using carbon-14. How many half lives have passed since the pottery was made?
What are the important components of the p2 audit process : Locate a success story from the literature (or on-line) where the P2 audit process was used and provide a summary of the results attained
State the name of the law and the date the law was passed : For this assignment, you will research and write an APA research paper about environmental policies, including the following:
Prepare a report summarizing the characteristics of metrics : Create a new worksheet in the database to compute gross revenues by month and region, as well as worldwide totals, for each product using the data
Controlling the different pollutant streams : List and discuss the options that we have available to us for controlling the different pollutant streams.

Reviews

Write a Review

Science Questions & Answers

  Explain two examples of mass movement

List and explain two examples of mass movement that are caused by slides (as opposed to flows)

  Discuss the facility utilization management program

Describe and discuss the facility's Utilization Management program. Identify areas for improvement in the facility's Utilization management program,

  The business of being born

1. write a summary about   film  in 350 words (own words) 2. Answer the question (Has your opinion or views of childbirth and pregnancy in the U.S. changed after watching the film. If so, how? If not, why?) 350 words ( own words)

  What factors affect bacterial growth and the growth of

what factors influence bacterial growth and the growth of other microbes? how can the knowledge of these factors assist

  Comte is credited for being the founder of sociology

August Comte is credited for being the founder of sociology (Henslin, 2012). What prompted Comte's interest in understanding behavior? What "triggered" his need to reform society - a society that would be a better place to live in?

  Type of potential target consumers for red lobster

Review key points from Darden Restaurant's most recent 10-K. Their stock symbol on the NYSE is DRI and currently, Red Lobster operates only in the U.S. and Canada.

  Urbanization and environmental benefits

Discuss some of the challenges of urbanization and environmental benefits. Explain how the prairie dog land management issues are related to the challenges of urbanization.

  Renewable resource is harnessed for energy

Considering that it takes energy to make energy, identify the kind of energy needed to make electrical energy from this resource.

  Addressing the problem philosophy relates to your life

In your philosophy final, you will write a short essay addressing the problem of how this introduction to philosophy relates to your life.

  Explain tay-sachs disease

Explain Tay-Sachs disease. Imagine you are a genetic counselor working with a couple who have just had a child who is suffering from Tay-Sachs disease. Neither parent has been tested for Tay-Sachs disease nor have there been any previous cases of ..

  Online crimes prevalent in e-commerce

Describe 2 online crimes prevalent in e-Commerce and what you would do to prevent these crimes.

  Discuss the purpose of the legislative action

Discuss the purpose of the legislative action. Describe the problem/problems that the legislative action is trying to solve or prevent.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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