How many grams of 137ce must be produced

Assignment Help Chemistry
Reference no: EM13125779

The half-life of 137Ce is 30 years. How many grams of 137Ce must be produced now to have a sample containing 32 g of 137Ce 190 years from now?Answer in units of g

Reference no: EM13125779

Questions Cloud

Estimate the parameters in the model : Obtain standard errors of your estimates in part (a) using the Wild bootstrap with and using the bootstrap (with B = 9; 999) test H0 : 2 = 0 vs. H0 : 2 = 0 at the 5% level.
Compute brad ending basis in his partnership interest : Brad has a basis of $15,000 in the partnership interest, including his shaer of partnership liabilities. The partnership expects to report substantial income in future years. Illustrate what rules are used to compute Brad's ending basis in his pa..
Probabillity that-sample undergraduate major in accounting : What is the probabillity that in a random sample of 1,200 undergraduate business students, 336 or more will major in accounting?
Analytical procedures used in an audit engagement : How are the analytical procedures used in an audit engagement? What premise underlies the use of analytical procedures in auditing? What sources of information can an auditor use to develop expectations? Please provide examples.
How many grams of 137ce must be produced : The half-life of 137Ce is 30 years. How many grams of 137Ce must be produced now to have a sample containing 32 g of 137Ce 190 years from now?Answer in units of g
Define equilibrium constant from standard potential data : Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
What portion of the test takers scored between 70 and 130 : In a recently administered IQ test, the scores were distributed normally, with mean 100 and standard deviation 15. What portion of the test takers scored between 70 and 130?
What is their current yield : Garvin Enterprises' bonds currently sell for $1,150. They have a 6-year maturity, an annual coupon of $85, and a par value of $1,000. What is their current yield?
Illustrate what issues should sam and marcie address : Sam will continue to manage the business. He is not willing to own less than 50% of whatever arrangement they arrive at. Illustrate what issues should Sam and Marcie address and document before finalzing their venture?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the specific heat capacity of this sample of carbon

The amount of energy needed to heat 2.00 g of carbon from 50.0 C to 80.0 C is 42.6 J. what is the specific heat capacity of this sample of carbon.

  What is the ph

A buffer that contains 0.55 M base, B, and 0.30 M of its conjugate acid, BH+, has a pH of 8.94. What is the pH after 0.0020 mol HCl is added to 0.25 L of this solution.

  Determine the volume of carbon di oxide at a temperature

Determine the volume of CO 2 at a temperature twenty two degree Celsius and a pressure of 781 mmHg  could be absorbed by 327 grams of Lithium hydroxide LiOH?

  Calculate equiibrium concentration of the carbon monoxide

For the equilibrium H2+CO2-> Kc= 3.18 at 1106K. If each of the 4 species was initially present at a concentration of 3.000M.

  What is h for the formation of one mole of al2o3(s)

Consider the reaction 2 Al2O3(s) ! 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol What is H for the formation of one mole of Al2O3(s) from the elements.

  Determines the effect of osmolality of the solution

A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage

  Calculate molar mass

Calcium fluoride, CaF2, is a source of fluorine and is used to fluoridate drinking water. Calculate its molar mass to four significant figures.

  How many moles of hf must be present

How many moles of HF (Ka = 6.8 10-4) must be present in 0.165 L to form a solution with a pH of 2.25?

  Compute the percent of sodium carbonate in sample

Compute the % sodium carbonate (MM = 105.99 g/mol) in this sample.

  How high (in meters) can the person climb

A 43 kg person drinks 450. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake.

  Calculate the change in internal energy for the gas

As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.

  What is the temperature change

What is the temperature change If 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? It is given that the Specific heat capacity of Au= 0.128

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