How old is the scroll

Assignment Help Chemistry
Reference no: EM13704887

Problem- A researcher claims that an ancient scroll originated from Greek scholars in about 500 b.c. A measure of its carbon-14 decay rate gives a value that is 92 % of that found in living organisms.

How old is the scroll? (The half-life of carbon-14 is 5730 yr)

Express your answer to two significant figures and include the appropriate units.

Reference no: EM13704887

Questions Cloud

Find the direction of the velocity of the baseball : A baseball thrown at an angle of 55.0 degree above the horizontal strikes a building 17.0 m away at a point 8.00m above the point from which it is thrown. Find the direction of the velocity of the baseball
How old is the artifact : Problem- An artifact has a carbon-14 decay rate of 7.94 disintegrations per minute per gram of carbon (7.94 dis/min?gC). Living organisms have carbon-14 decay rate of 15.3 dis/min?gC. How old is the artifact? (The half-life of carbon-14 is 5730 yr..
What is the charge on each plate : An 11.0 µF parallel-plate capacitor with circular plates is connected to a 12.0V battery. What is the charge on each plate
How close are the two charges : A positive charge of 0.800 µC is located in a uniform field of 1.15 × 105 N/C. How close are the two charges
How old is the scroll : Problem- A researcher claims that an ancient scroll originated from Greek scholars in about 500 b.c. A measure of its carbon-14 decay rate gives a value that is 92 % of that found in living organisms.
How many excess electrons does the drop have : A spherical water drop, 1.70 um in diameter, is suspended in calm air owing to a downward-directed atmospheric electric field E = 442 N/C.  How many excess electrons does the drop have
What was your average velocity during this time : A building is 45m long. You run along the front of the building on your way to try to catch a bus. What was your average velocity during this time
How long does it take the car to stop : A car is moving with a speed of 27m/s down a long straight road. When it is130m from a traffic light, the light turns red. How long does it take the car to stop
How much of the sample remains after three half-lives : Problem 1- A sample initially contains 3.2 moles of a radioactive isotope. How much of the sample remains after three half-lives. 2- Plutonium-236 is an alpha emitter with a half-life of 2.86 years. How long will it take for the 1.35mg sample of P..

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the heat of combustion of fructose in kj per mole

When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.

  Explain alkyl halies are good electrophiles

The main reason that alkyl halies are good electrophiles is that: A) the carbon atom linked to the halogen is negatively polarized. B) the carbon atom linked to the halogen is positively polarized

  The potential of a battery formed by perchlorate or chlorate

What would be potential of a battery formed by perchlorate/chlorate ion pair

  I the titration of 630 ml of 10 m methylamine ch3nh2 kb

in the titration of 63.0 ml of 1.0 m methylamine ch3nh2 kb 4.4 multiplied by 10-4 with 0.50 m hcl calculate the ph

  Compute the vapor pressure of water in torr

Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 65.40 g of ZnCl2 in 445.0 g of water at 323.0 K. The vapor pressure of pure water at 323.0 K is 92.50 torr.

  State ionic equation to describe its behavior in water

Explain your reasoning for each by writing a balanced net ionic equation to describe its behavior in water.

  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

  Explain how many photons strike the cd surface

How many photons strike the CD surface during the playing of a CD 69 minutes in length?

  Explain a buffer system consisting of tartaric acid

During the fermentation of wine, a buffer system consisting of tartaric acid and potassium tartrate is formed by a biochemical reaction.

  Estimate the normal boiling point of this compound

The vapor pressure of an unknown compound at 25 degrees C is 94.6 Torr and its enthalpy of vaporization is 30811 J/mol. Estimate the normal boiling point of this compound. assume the enthalpy of vaporization is independent of temperature.

  Explain what is the value of Ea

If a certain reaction has a rate constant of 9.51x10-9 L mol -1 s-1 at 500K as well as a rate constant of 1.10z10-5 L mol -1 s-1 at 600K, Explain what is the value of Ea

  Explain what is the percent purity of the soda ash

If 0.1800 g of impure soda ash (Na2CO3) is titrated with 15.66 mL of 0.1082 M HCl, what is the percent purity of the soda ash. Na2CO3(aq) + 2 HCl(aq) ? 2 NaCl(aq) + H2O(mc048-1.jpg) + CO2(g)

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