User Account

All Pages

What is the age of the rock

Assignment Help Biology
Reference no: EM131945747

A rock originally had 4800 atoms of 40-k and no 40-Ar. It now has 400 atoms of 40-K. Assuming that the only chemical process is radioactive decay of potassium to argon, what is the age of the rock?

Reference no: EM131945747

Questions Cloud

Identify the two to three most probable business reasons : Why the sales goals won't be met and recommend specific improvements to correct the problems for the next season.
How about the ph of water that is in equilibrium : How about the pH of water that is in equilibrium with 2 atm pure CO2(g)?
What is the addition to retained earnings : Billy's Exterminators, Inc., has sales of $646,000, costs of $286,000, depreciation expense of $38,000, interest expense of $29,000, a tax rate of 35 percent.
If you were the judge in this case what would you decide : Sam began his academic career majoring in Biology, but then shifted his major to history, then to Creative Writing, and then to Mathematics.
What is the age of the rock : Assuming that the only chemical process is radioactive decay of potassium to argon, what is the age of the rock?
What are possible reforms to increase the accountability : What appear to be the most pressing problems in corporate governance? What are possible reforms to increase the accountability of corporate managers
What will be yearly annuity for the next given years : Betty Bronson has just retired after 25 years with the electric company. Her total pension funds have an accumulated value of $350,000.
Write program which will allow person to play guessing game : For this assignment you will write a program which will allow a person to play a number guessing game against the computer.
Complete a profit and loss report for year ending : Complete a Profit and Loss report for year ending 30 June 20XX as well as a debt-to-equity ratio for the 2008 financial year

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

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