Explain how many 14c disintegrations have occurred

Assignment Help Chemistry
Reference no: EM13520128

A wood sample is obtained from a tree that originally grew in 1804 A.D. If the initial rate of decay in 1804 A.D. can be assumed to be 13.56 decays per minute, how many 14C disintegrations have occurred in the sample since that time? The half-life of 14C is 5,730 years.

Reference no: EM13520128

Questions Cloud

Correspond to the debate about ethical relativism : Identify the elements in this excerpt that correspond to the debate about ethical relativism
Find how much potential energy is stored in the capacitor : Suppose a capacitor in a video camera has a capacitance of 26.0 ?F, and is currently holding 5.000e-5 C of charge. How much potential energy is stored in the capacitor
Determine the unknown batterys voltage : When a 9.0 V battery is connected to a capacitor, it puts 8.40e-4 C of charge on the capacitor. What is the unknown battery's voltage
Some socialists are against the death penalty : All preachers are against the death penalty. Some socialists are against the death penalty. Therefore, some socialists are preachers. Smith favors a minimum wage, so he must be a communist. Some Italians do not eat garlic, so some Europeans do not e..
Explain how many 14c disintegrations have occurred : A wood sample is obtained from a tree that originally grew in 1804 A.D. If the initial rate of decay in 1804 A.D. can be assumed to be 13.56 decays per minute, how many 14C disintegrations have occurred in the sample since that time
State 3-nitrophthalhydrazide and luminol that are consistent : 3-nitrophthalhydrazide and luminol that are consistent with reduction of the nitro function to an amino group in preparation of luminol
Calculate the change in entropy of the water : the pericarppart of a popcorn kernel is a small container of liquid water. when the poppcorn is heated to about 180 degrees C, what is the change in entropy of the water due to the vaporization and expansion
Robinson describes magnanimity as the mean between extremes : Robinson describes magnanimity as the mean between the extremes of;
Show supporting computations for each entry : Prepare, in general journal form, all entries Roesch should have made in its accounting records during August 2008 relating to this lease. Give full explanations and show supporting computations for each entry.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the active catalyst

The active catalyst in this experiment was generated from the redox reaction of chloroplatinic acid with sodium borohydride. What is the active catalyst?

  What is the value of h for the balanced reaction

At 25 degrees C and constant pressure, carbon monoxide gas combines with oxygen gas to give carbon dioxide gas with the evolution of 10.1 kJ per gram of carbon monoxide consumed. What is the value of ^H for the balanced reaction?

  Find the activation energy for this sterilisation process

milk is pasteurised when heated to 63 C for 30 minutes, but if it is heated to 74 C it takes only 15 seconds for the same result. Find the activation energy for this sterilisation process

  State bromobutane treated with anhydrous sodium sulfate

After the washing in this preparation, the 1-bromobutane was treated with anhydrous sodium sulfate

  Define why the solution forms and what drives the process

The Dissolution of lithium iodide is exothermic and the lattice energy is smaller in magnitude than the heat of hydration. Explain why the solution forms and what drives the process

  Define what is the concentration of sodium in the soft drink

A soft drink contains 39mg of sodium in 286g of .H2O What is the concentration of sodium in the soft drink in mass percent

  Explain what is the [h3o+] of a buffer that consists

What is the [H3O+] of a buffer that consists of 0.154 M CH3CH2COONa and 0.645 M CH3CH2COOH. Ka of propanoic acid, CH3CH2COOH is 1.3 x 10-5.

  Considering the given chemical reaction as nh3g cl2g rarr

considering the given chemical reaction as nh3g cl2g rarr nh2clg hclg compute the deltah for this reaction and

  Explain chloride a red precipitate of copper acetylide

When acetylene (ethyne) is passed through a solution of copper(I) chloride a red precipitate of copper acetylide, CuC2

  Explain the effect on ph acetic acid solution

Describe the effect on pH (increase, decrease, or no change) that results from each of the following additions: (a) potassium acetate to an acetic acid solution,

  Explain stoichiometry of reactions

Stoichiometry of reactions, When a mole of C7H16 is combusted, it reacts with 11 moles of O2. How many moles of CO2 product are obtained? How many moles of H2O product are obtained?

  Explain what maximum length of aluminum foil

What maximum length of aluminum foil can be made from 1.10 kg of aluminum?

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