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

Define alcoholic acidity, Q. Define Alcoholic Acidity? Alcoholic acidit...

Q. Define Alcoholic Acidity? Alcoholic acidity is defined as mg of H 2 SO 4 required for 100 g of the sample to have the same alcohol soluble acids. Grains or their milled

Organic- ammine, can we reduce r-cn to primary ammines using fe/hcl

can we reduce r-cn to primary ammines using fe/hcl

Write a equation of the formation of dimethyl carbonate, a) Write a balance...

a) Write a balanced equation of the formation of dimethyl carbonate by the reaction of methanol with carbon dioxide. How can dimethyl carbonate form if phosgene is the reactant?

Thermal analysis, sources of errors in thermogravimetry

sources of errors in thermogravimetry

Combination law, P= 10.5atm v= 2.06L T= 298K p= 5.21atm v= 6.15 t= ? what ...

P= 10.5atm v= 2.06L T= 298K p= 5.21atm v= 6.15 t= ? what is t?

What is the excitation power that has been used, What is the excitation pow...

What is the excitation power that has been used? The absorption cross section is a significant parameter for the calculation of the expected fluorescence signal from a single m

Acids and bases, what is the difference between acids, bases and alkalis?

what is the difference between acids, bases and alkalis?

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