Estimate the age of the ore

Assignment Help Chemistry
Reference no: EM13942534

A sample of Uranium ore is found to contain 4.64mg of 238U and 1.22mg of 206Pb. Estimate the age of the ore. The half-life of 238U is 4.51 * 10^9 yrs. and the mass of the isotope is 238u.

Reference no: EM13942534

Questions Cloud

Explain learning about terrorism and tool of terrorist group : Explained whether profiling terrorist groups is a worthwhile practice with supporting reasons. Analyzed and explained if it will result in more prediction and control over terrorism.
Evaluation of the economic soundness of the country : General economic data that serves as a basis for evaluation of the economic soundness of the country under consideration;
Use of bank accounts ensure control of cash : A company had net sales of $600,000, total sales of $750,000 and an average accounts receivable of $75,000. Its accounts receivable turnover equals
What impact does network congestion have on productivity : Based on the Hamblen and Lawson (2008) article, what is the major innovation that this new switch offers? How does this convergence allow data centers to be virtual?
Estimate the age of the ore : A sample of Uranium ore is found to contain 4.64mg of 238U and 1.22mg of 206Pb. Estimate the age of the ore. The half-life of 238U is 4.51 * 10^9 yrs. and the mass of the isotope is 238u
In the context of the neoclassical model : In the context of the neoclassical model, how would you interpret the imperative to "cause no harm?" Substantiate your view with two reasons and examples.
Are there any advantages to combining techniques : Is it advisable to combine two or more observational data collection techniques? Are there any advantages to combining techniques? Are there any disadvantages to combining techniques? Discuss
Five assessment tasks at higher order thinking level : Design FIVE assessment tasks at higher order thinking level. Discuss how well your assessment tasks meet the FIVE keys to classroom assessment. In this part, you are required to answer the following questions.
Understanding of management planning principles : Write a 2,000 word essay which demonstrates knowledge and understanding of management planning principles.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the percent of the metallic zinc

The hydrochloric acid has a density of 1.18 g/ml and contains 35.0% HCl by mass. What is the percent of the metallic zinc in the original sample. Assume that the impurity in the zinc does not affect the HCl.

  Describe the temperature stays constant

A reaction has the following rate law Rate = k[A][B]2. In experiment 1, the concentrations of A and B are both 0.10 mol L-1; in experiment 2, the concentrations are both 0.30 mol L-1. If the temperature stays constant, what is the value of the rat..

  Plot the process path in a p-v diagram

Helium gas is heated at constant volume from a state of 100 kPa, 300 K to 500 K. A following process expands the gas at constant pressure to four times the initial volume.

  Molecules consist of two iodine atoms and seven oxygen atoms

Question- Give the name and formula of the compound whose molecules consist of two iodine atoms and seven oxygen atoms.

  Evaluate the amount of heat that must be absorbed

Calculate the amount of heat that must be absorbed by 10.0 g of ice at -20°C to convert it to liquid water at 60.0°C. Given: Specific heat (ice) = 2.1 J/g·°C Specific heat (water) = 4.18 J/g·°C ?Hfus = 6.0 kJ/mol A) 420 J B) 2,900 J C) 6,300 J D) ..

  Compute the volumetric size of a water

Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas.

  Explain a reaction to occur based on the net potential

An Al strip is placed in CuSO4 solution. Would you expect a spontaneous reaction to occur,based on the net potential

  For each of the following situations state if the amount of

cs graphite 2h2g lt----gt ch4 g deltah -75 kjfor each of the following situations state if the amount of each of the

  How many grams of water can be cooled from 33 to 20 by the

how many grams of water can be cooled from 33 to 20 by the evaporation of 37 of water? the heat of vaporization of

  What is the value of k at this temperature

At some temperature, a chemist found the following equilibrium concentrations. [Fe3+] = 6.63 10-3 M, [SCN-] = 7.36 10-3 M, [FeSCN2+] = 4.34 10-2 M

  Evaluate the vapor pressure of water above a solution

Calculate the vapor pressure of water above a solution prepared by dissolving 37.0 of glycerin () in 135 of water at 343 . (The vapor pressure of water at 343 is 233.7 .)

  Depict the hydrogen bonding three water molecules in a

depict the hydrogen bonding three water molecules in 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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd