radioactivity, Chemistry

Assignment Help:
,Potassium-42 is a radioisotope that nutritionists use to determine whether the body is effectively using potassium at the cellular level. The half-life of potassium-42 is 12.4 hours. Assuming that a patient’s cells assimilate all the potassium chloride tagged with potassium-42, approximately what percentage of the dose remains in 2.1 days? __________ .

Related Discussions:- radioactivity

Mole M&M problem, 200.0 M&Ms mass out at 175 grams. How many tons of M&Ms a...

200.0 M&Ms mass out at 175 grams. How many tons of M&Ms are there in one mole?

what is happen whenever h2so4+hno3 adding to the phenol?, What is happen ...

What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.

Resonance effect or mesomeric effect, Resonance effect or mesomeric effect ...

Resonance effect or mesomeric effect (1) The effect where electrons are transferred from a multiple bond to a molecule, or from a multiple bond to a one covalent bond or lone p

S block elements, Why lithium and beryllium markedly differ from other memb...

Why lithium and beryllium markedly differ from other members of their respective groups?

APPLICATIONS OF INORGANIC COMPOUNDS, find two different substances and how ...

find two different substances and how they are produced. Once you have this information, look at their properties and how they are used, and explain how these properties affect th

What is free energy?, THermodynamic free enrgy is the amount of work a ther...

THermodynamic free enrgy is the amount of work a thermodynamic system can perform. The concept is useful in the thermodynamics of chemical or thermal processes in engineering and

Aufbau principle is not satisfied, Aufbau principle is not satisfied by: ...

Aufbau principle is not satisfied by: (1) Cr and Cl         (2) Cu and Ag       (3) Cr and Mg     (4) Cu  and Na Ans: Cu and Ag

Piezoelectric effect is the production of electricity, Piezoelectric effect...

Piezoelectric effect is the production of electricity by?? Piezoelectric effect is the forming of electricity by pressure.

Determine total possible values of magnetic quantum number, If value of azi...

If value of azimuthal quantum number l  is 2, then total possible values of magnetic quantum number will be: (1) 7        (2) 5         (3) 3        (4) 2 Ans: 3

Write Your Message!

Captcha
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