The half-lives of different radioisotopes

Assignment Help Chemistry
Reference no: EM13694919

Problem- The half-lives of different radioisotopes are given in the table below. How long would it take (in minutes) for the amount of argon-44 to decrease from 88.0 mg to 11.0 mg?

argon-44;half life 12

lead-196;half-life 37

potassium-44;half-life 22

indium-117; half-life 43

Show all work, use additional paper if necessary.

Reference no: EM13694919

Questions Cloud

Generate gaussian random numbers : Generate Gaussian Random Numbers and adapt the sample program found there (obey copyright).
Picbasic program : Comment the function associated with every line of the following PICBASIC program
Generate a random number from normal distribution : lname must be generated at random using specified uniform distributions, i.e., [X, Y] means that some random value between X and Yis chosen for each record by your implementation.
What is the final volume of the gas : Problem- A sample of gas occupies a volume of 74.8 mL. As it expands, it does 116.3 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?
The half-lives of different radioisotopes : Problem- The half-lives of different radioisotopes are given in the table below. How long would it take (in minutes) for the amount of argon-44 to decrease from 88.0 mg to 11.0 mg
Water at an initial temperature what is final temperature : If all the energy obtained from burning 1.26 pounds of ethane (fuel value is 11.36 kcal/g) is used to heat 123.0 kg of water at an initial temperature of 22.0 °C, what is the final temperature
Two solutions used in atomic absorption measurements : Problem- Two solutions used in atomic absorption measurements with an acetylene/air flame contain equal concentrations of calcium. For each of the conditions given below, indicate which of the two solutions will yield the higher absorbance value a..
Calculate the apparent thickness of the plate as viewed : The plate is 10.00 cm thick (vertical dimension) and covered with water (n = 1.33) to a depth of 11.8 cm. Calculate the apparent thickness of the plate as viewed from above the water. (Assume nearly normal incidence of light rays.)
Determining the value of the rate constant : Problem- The table gives the concentrations of NO2(g) as a function of time at a certain temperature for the following reaction

Reviews

Write a Review

Chemistry Questions & Answers

  Evaluate the percent sodium chloride in the mixture

You are given a 1.56-g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into 127 mL of water then add an excess of 0.537 M silver nitrate solution. You produce a white solid, which you then collect, dry, and measure. The wh..

  The reactions typically increase with increasing temperature

Suggest a reason why the rates of chemical reactions typically increase with increasing temperature.

  Compute the energy of a photon emitted

Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.

  What pressure of co must be maintained above the solution

A handbook records the solubility of carbon monoxide in water at 0 C and 1 atm pressure as 0.0354 mL CO per milliliter ofH2O. What pressure of CO(g) must be maintained above the solution to obtain 0.0100 M CO

  Explain reaction shift towards the products or the reactants

Will the reaction shift towards the products or the reactants if Ag+ Ions are added to this equilibrium. CoCl4^2-(aq) + 6H2O(l) Co(H2O)6^2+(aq) + 4Cl-(aq)

  Compute the specific rotation of the compound

An aqueous solution containing 9.47 g of an optically pure compound was diluted to 200.0 mL with water and placed in a polarimeter tube 20.0 cm long.

  Calculate the molal freezing point constant

2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.

  Use the wattage of the lightbulb and the time it is on to

use the wattage of the lightbulb and the time it is on to calculate in joules assume that the cylinder and lightbulb

  What mass of hcn and of h2o will be produced

If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?

  How many grams of p4s10 can be produced

In the reaction 4 P4 + 5 S8 -> 4 P4S10 600 g of P4 is mixed with 1300 g of S8.

  How many grams of nitrogen gas are present in gas sample

a sample of nitrogren gas is collected in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degrees C. how many grams of nitrogen gas are present in gas sample?

  What mass of nitrogen is left over

When 0.2250 g Mg was heated with 0.5331 g N2 gas, all the Mg was consumed forming 0.3114 g Mg3N2.What mass of N2 is left over ?

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