What is the estimated age of the fossil

Assignment Help Chemistry
Reference no: EM13695624

Question- An archaeologist discovers a fossil with a carbon-14 activity of 7.5 dpm per gram of carbon. If carbon-14 has an activity of 15.3 dpm, what is the estimated age of the fossil? (t1/2 = 5730 years)

Express your knowledge to solve the above question

Reference no: EM13695624

Questions Cloud

Which type of nuclear radiation is identical : Question- Which type of nuclear radiation is identical to an electron and is deflected toward the positive electrode as it passes between electrically charged plates
Synthesized a new element by smashing an iron-58 : Question- In 1982 a team of German physicists synthesized a new element by smashing an iron-58 nucleus into a bismuth-209 target. If a neutron was released from the collision, what is the new nuclide
What would happen if you reacted a grignard reagent : Question- What would happen if you reacted a Grignard reagent with an amide? I know that NR is a poorer LG than OR so would the amine be left behind in the reaction
The nuclear fusion of a lithium-7 nucleus : Question- The nuclear fusion of a lithium-7 nucleus and nuclide X releases two alpha particles and a neutron. Identify nuclide X.
What is the estimated age of the fossil : Question- An archaeologist discovers a fossil with a carbon-14 activity of 7.5 dpm per gram of carbon. If carbon-14 has an activity of 15.3 dpm, what is the estimated age of the fossil. (t1/2 = 5730 years)
Calculate the magnitude of the electric field : A solid sphere of radius 40.0 cm has a total positive charge of 34.2 µC uniformly distributed throughout its volume. Calculate the magnitude of the electric field
Explain entropy for hi at standard pressure : Question- Using Statistical Thermodynamic equations, calculate the following thermodynamic properties: Energy, Enthalpy, Gibbs Free-Energy, and Entropy for HI at standard pressure (1 atm) and 25 degrees C. De=228kJ/mol
Find the net charge on the shell : A cylindrical shell of radius 7.00 cm and length 2.27 m has its charge uniformly distributed on its curved surface. Find the net charge on the shell
Find the electric field at the surface of the cylinder : A uniformly charged, straight filament 3.70 m in length has a total positive charge of 2.00 µC. find the electric field at the surface of the cylinder

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the identity of the metal m

A certain medal hydroxide M(OH)2, contains 32.8% oxygen by mass. What is the identity of the metal M

  Define atoms in a sample of cocaine hydrochloride

Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 of mass 20.0 mg.

  Explain the vapor pressure of c4h10 at a temperature

The vapor pressure of the liquid C4H10 is 562.7mmHg at a temperature of 264.6K. The enthalpy of vaporization for this liquid is 22.4kJ/mol. What is the vapor pressure of C4H10 at a temperature of 286.6K in mmHg

  Compute the entropy changes for the system

Compute the entropy changes for the system, surroundings and the universe for the (a) reversible heating, as well as (b) irreversible heating of 1.0 mole of hydrogen from 300K to 600K. In (b) presume the surroundings to be at 600 K.

  Define what is the gas pressure

The tank can hold a pressure of 50.0 atm before bursting. During a fire the gas is heated to 500 C. What is the gas pressure, and will the tank contain the gas without bursting

  Explain why must you use a minimal amount of hot solvent

Given an unknown sample of a solid, how would you decide that it is necessary to do a recrystallization. recystaillization-Why must you use a minimal amount of hot solvent

  How to evaluate the molar concentration of mg2+

A 200.0-mL sample of the same tap water required 47.86 mL of the standard EDTA for titration at pH 10 using calmagite indicator. Calculate the molar concentration of Mg2+ in the tap water.

  What is the change in s of the system for the process

Suppose that 155g of ethanol at 21 degrees Celcius is mixed with 240g of ethanol at 88 degrees Celcius at constant atmospheric pressure in a thermally insulated vessel. What is the change in S of the system for the process? The specific heat capac..

  At relatively high temperatures nitrogen and oxygen more

question at relatively high temperatures nitrogen and oxygen more readily form a compound according to n2g o2 lt-gt

  Compute the equilibrium constant for n2(g)

The Haber process is used in industry to produce ammonia from N2 and H2. A reactor contains NH3, N2, and H2 at equilibrium at 1000 K. The concentration of NH3 is 0.102 moles/liter, N2 is 1.03 moles/liter, and H2 is 1.62 moles/liter. Calculate the ..

  Explain what is the hybridization of the nitrogen atom

What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?

  At 273 k and 10010-2 atm the density of a gas is 12410-5

at 273 k and 1.0010-2 atm the density of a gas is 1.2410-5 gcm3 a find vrms for the gas molecules bfind the moloculer

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