User Account

All Pages

What age does this give for the site

Assignment Help Chemistry
Reference no: EM131946916

A 250 mg sample of CO2 collected from a small piece of wood at an archaeological site gave 1020 counts over a 24 h period. In the same counting apparatus, 1.00 g of CO2 from freshly cut wood gave 18 400 counts in 20 h. What age does this give for the site?

Reference no: EM131946916

Questions Cloud

Formation of a solution : Our lab for this unit investigated factors that influence the speed at which solute dissolves. The speed of dissolving is related to collision theory.
Discuss 5 skills that are unique to the successful manager : From this week's material identify and discuss 5 skills that are unique to the successful manager of the 21st century.
How many l bottles per week : This is equivalent to how many 0.500-L bottles per week? Round up to the nearest whole bottle.
Why you think schedule issues often cause on projects : Please discuss why you think schedule issues often cause the most conflicts on projects. Give an example from your experience.
What age does this give for the site : In the same counting apparatus, 1.00 g of CO2 from freshly cut wood gave 18 400 counts in 20 h. What age does this give for the site?
What kinds of information might you need to be able : Your organization voted to unionize two years ago and is currently working under a collective bargaining agreement.
How is pmma material made into an acrylic heel : How is pmma material made into an acrylic heel? describe process from start to finish using pmma material.
Ethylidene triphenylphosphorane and propanal : Draw the mechanism of witting reaction between ethylidene triphenylphosphorane and propanal.
Important chemical reagent and industrial chemical : It is an important chemical reagent and industrial chemical. Vinegar is dilute acetic acid, often produced by fermentation.

Reviews

Write a Review

Chemistry Questions & Answers

  Which compound will begin to precipitate first

solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?

  Calculate the number of moles of n2 in the tank

a steel tank with a volume of 9.583L contains N2 gas under a pressure of 4.972 atm at 31.8C Calculate the number of moles of N2 in the tank.

  Explain full ground-state electron configuration

Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element.

  Difference between a sigma bond and a pi bond

What is the difference between a sigma bond and a pi bond? Is it possible for a molecule to have only pi bonds?

  Explain a balloon containing 35.5grams of cl2

The goes like... "A balloon containing 35.5grams of Cl2 and 38.0 grams of F2" (then somewhere along in teh question it says "the volume is increased to 10L"

  Explain the half-life of the radioactive isotope bismuth-210

The half-life of the radioactive isotope bismuth-210 is 5.01 days. How many days will it take for the mass of a sample of bismuth-210 to decay from 56.4 milligrams to 14.1 milligrams

  Explain what current is required to plate

What current (in Amps) is required to plate out 1.22 g of nickel metal from a solution of Ni2+ in 1 hour

  Density as pure water convert this ratio into a molarity

Question- Ocean water typically contains 35 moles of salt ions dissolved in each 1000 moles of water. Assuming that ocean water has the same density as pure water convert this ratio into a molarity and calculate the expected osmotic pressure betwe..

  Compute the concentration of chloride ions

Calculate the concentration of chloride ions in a saturated lead(II) chloride (Ksp = 2.4 ? 10-4) solution.

  How many grams of oxygen gas are required to burn

How many grams of oxygen gas are required to burn 200 g of propane? Round to the nearest gram.

  Explain the appearance of the analyte with the continued

The Eriochrome Black T indicator is mistakenly omitted. what is the color of the analyte (standard Ca^2+ solution)? Describe the appearance of the analyte with the continued addition of the Na^2H^2Y solution? Explain?

  Fluorine-18 undergoes positron emission with a half-life

fluorine-18 undergoes positron emission with a half-life of 1.1x102 minutes. if a patient is given a 248mg dose for a

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