Explain the radioactive decay of thallium

Assignment Help Chemistry
Reference no: EM13211631

The radioactive decay of thallium-206 to lead-206 has a half life of 4.20min. Starting with 4.10 x 10^22 atoms of thallium-206, calculate the number of such atoms left after 42.0 min.

Reference no: EM13211631

Questions Cloud

Explain hydrogenation of a monounsaturated fatty acid : Hydrogenation of a monounsaturated fatty acid yields a saturated fatty acid. Oleic acid is a monounsaturated fatty acid. Predict the product of its hydrogenation:
Explain electrolysis of silver nitrate : A round plate having a diameter of 30.0 cm is being silver plated on one side, by electrolysis of silver nitrate, where the plate is the cathode
Explain expanded and heated simultaneously : Calculate ?H, q and w when 1.00 mol of helium at 5.00L and a temperature of 298.15K is expanded and heated simultaneously
Explain how many minutes did the elctrolysis last : In certain electrolysis experiment involving Al3+ ions, 57.0g of Al is recovered when a current of 0.352 A is used
Explain the radioactive decay of thallium : The radioactive decay of thallium-206 to lead-206 has a half life of 4.20min. Starting with 4.10 x 10^22 atoms of thallium-206
Compute the volume of he collected at stp : Calculate the volume (in mL) of He collected at STP when 3.60 g of pure 226Ra is stored in a closed container for 135 years.
Explain how many atoms occupy 23 moles of oxygen gas : How many atoms occupy 23 moles of oxygen gas? What conditions must be specified first to determine this?
Compute the mass defect in fe-56 : Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.
Depict all of the products of the second propagation : Draw all of the products of the second propagation step in the free-radical bromination of 2,3-dimethylbutane including inorganic

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the standard free-energy change

Calculate the standard free-energy change for the following reaction at 25 degrees C. 2Au^3+(aq) + 3 Cr(s) 2Au(s) + 3Cr^2+(aq)

  Compute the total internal energy change in kilojoules

A gaseous reaction occurs at a constant pressure of 50. atm and releases 74.2kj of heat. Before the reaction, the volume of the system was 8.00L After the reaction, the volume of the system was 2.80L

  Explain what is the rate law predicted by this mechanism

is believed to follow the mechanism H2O2 + I- ? H2O + IO- fast H2O2 + IO- ? H2O + O2 + I- slow At 25oC, the first step is fast relative to the second step. What is the rate law predicted by this mechanism?

  What is the concentration of the h2so4 solution

It takes 64 mL of .124 M KOH to neutralize 25.6 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?

  Explain how can grains in a silo spontaneously explode

How can grains in a silo spontaneously explode? How is it that corn or any other grain can explode in a silo on it's own? How could a natural gas leak just cause corn to explode in a silo?

  State what are the electronic configurations

likely to exhibit a stable +2 oxidation state? What are their electronic configurations

  Define density is an example of intensive physical property

Density is an example of intensive physical propery of matter. What does this statement mean?

  Explain nitrous acid with lithium hydroxide

Perchloric acid with an aqueos solution of ammonia and nitrous acid with lithium hydroxide

  Calculate the molar concentration of radon in the water

A sample consisting of various gases contains 3.1×10-6 mole fraction of radon. This gas at a total pressure of 34 is shaken with water at 30 . Calculate the molar concentration of radon in the water.

  What is the percentage yield

what is the percentage yield if 400 grams of chlorine react with excess potassium bromide to produce 820 grams of bromine

  Explain equation for the decomposition of one mole

Write the balanced equation for the decomposition of one mole of NH4CO2NH2. b) Calculate K at 313 K.

  How many grams of carbon dioxide are produced

A beaker containing 250 mL of a 0.500 M solution of acetic acid COOH) is added to 125 mL of a 0.850 M solution of sodium carbonate. The reaction that ensues produces carbon dioxide, sodium acetate COONa), and water. How many grams of carbon dioxid..

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