What is the half life of i-131

Assignment Help Chemistry
Reference no: EM13699898

Problem- Iodine-131 is a radioactive isotope. After 4.00 days, 70.8% of a sample of I-131 remains. What is the half life of I-131?

Express your answers in detail and I want you to explain the chemistry in this problem

Reference no: EM13699898

Questions Cloud

Explain the curved arrow mechanism : Problem- Does anyone know the curved arrow mechanism for 1, 1-Dimethyl-3-oxo-2-triazanolate after it resonates to the form where the oxygen both have a negative charge and the Nitrogen bound to Nitrogen and Oxygen has a positive charge reacts with..
Explain what the staff should expect the auditors : Explain what the staff should expect the auditors to do. Be sure to include the requirements of the Sarbanes Oxley Act in your explanation.
Explain what is the total pressure in flask : Problem- The reaction below takes place in a 250.0 mL flask at 23.8 C with SO2 having an initial pressure of 0.675 atm & O2 having an initial pressure of 0.335 atm
What was once pseudo earth day is now a year-round : What was once pseudo Earth Day is now a year-round, Green marketing revolution, as described in the following:Purchasers of a national magazine qualified for a free reusable shopping bag.
What is the half life of i-131 : Problem- Iodine-131 is a radioactive isotope. After 4.00 days, 70.8% of a sample of I-131 remains. What is the half life of I-131?
What volume of carbon dioxide is produced : Problem- If 26.00g of calcium hydrogen carbonate react with 430.0ml of 0.742M nitric acid, what volume of carbon dioxide is produced ar 742torr and 12°C?
How much indium-117 is left in the body after 86 minutes : Problem- The half-lives of different radioisotopes are given in the table below. If the inital amount of indium-117 is 9.2g, how much indium-117 is left in the body after 86 minutes
Drawing on current business publications : Drawing on current business publications, find some updated facts for each case that support this them.Compare and contrast McDonald's strategies in China with those of Wal-Mart in Mexico?What role did the policies of various governments play ..
Explain radioactive element q which has a half life : Problem- When Mr.Spock left Vulcan, he had a 50.00g sample of radioactive element Q which has a half life of 24.50 days. His spaceship traveled at twice the speed of light (warp 2). Upon arrival on earth he only had 0.50g of Q remaining. if the sp..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain electrons are described as isoelectronic

Species that have the same number of electrons are described as isoelectronic. What +2 ion is isoelectronic with Rb+ What -ion

  Define the electromagnetic spectrum

What part of the electromagnetic spectrum is known as the infrared region. Express your answer in terms of wavenumbers (cm-1). Please give answer in cm-1

  Define what is the ph at the equivalent point

Determine pH of a solution when 25.00 ml of 0.100 M HOAc is titrated with 0.100 M KOH. What is the pH at the equivalent point. (ka for HOAc = 1.80 x 10-5) HOAc + KOH ---- KOAc + H2O

  Calculate the atomic weight of the element

An element crystallizes in a face-centered cubic lattice. The edge of the unit cell is 392 pm, and the density of the crystal is 21.45 g/cm3. Calculate the atomic weight of the element (in g/mol)

  The solubility of o2g in water is 443 mg o2100 g h20 at 20

the solubility of o2g in water is 4.43 mg o2100 g h20 at 20 degree celsius when the gas pressure is maintained at 1

  Explain the water layer into the octanol layer

The log P value for nicotine is 1.09. If 20 mL of 0.10 g/mL nicotine solution in water is extracted with 20 mL of octanol, how much nicotine is removed from the water layer into the octanol layer?

  Explain the biological standard gibbs energies of reactions

Calculate the biological standard Gibbs energies of reactions of the following reactions and half-reactions

  Chemical behavior to the as yet undiscovered element 119

Problem- From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 119.

  How does a large electronegativity difference affect

how does a large electronegativity difference affect molecular properties?1. it makes the bonds stronger and shorter

  Accumulates in the blood of people with phenylketonuria

Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, and inherited disorder that can cause mental retardation or even death

  Explain the solubility of pbcl2 in a 0.15 m solution of hcl

What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl. The Ksp of PbCl2 is 1.6 x 10^-5

  Explain rna fingerprinting

Write a short article about how chromatography is used in every day life. I've been unsuccessful finding much information on exactly how and why it is used for any specific task

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