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

Carboxylic acids - carboxylic acids and their derivatives, Carboxylic Acids...

Carboxylic Acids Carboxylic acids are the elements comprising the carboxyl functional group  The carboxyl set is made up of carbonyl (>C=O) and hydroxyl (-OH) group.

Explain the liquid water aspect of using phase rule, Explain the Liquid Wat...

Explain the Liquid Water aspect of using phase rule? For a single phase of pure water, P equals 1. If we treat the water as the single species H 2 O, s is 1 and r is 0. The pha

Functions of nucleic acid - replication, Replication: The genetic infor...

Replication: The genetic information for the cell is comprised in the sequence of the bases A, T, G and C that are adenine, thymine, guanine and cytosine correspondingly in the

Mixed gas laws review, How many moles of gas occupy 98 L at a pressure of 2...

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

Equivalent weights, Molecular weight of orthophosphoric acid is M. Its equi...

Molecular weight of orthophosphoric acid is M. Its equivalent weight is

Lanthanides and actinides, can you describe how the valance shell electron ...

can you describe how the valance shell electron configuration affectst the reactivity of the elements in the lanthanides and actinides series?

Describe about atomic number, Q. Describe about atomic number? It is si...

Q. Describe about atomic number? It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic ta

Chemical process analysis, A useful model of interfacial mass transport mak...

A useful model of interfacial mass transport makes three assumptions: (i) there is a difference between the concentrations of A at the interface, C A denoted C A in Phases I

Electrochestry, migration of ions,relatuve speed of ions,,,,,,,,,,,,,,,,,,,...

migration of ions,relatuve speed of ions,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Explain carbocation intermediate, Explain carbocation intermediate When...

Explain carbocation intermediate When 3-methyl-1-butene undergoes acid-catalyzed hydration, rearrangement happens because carbocation intermediates are included. (See the solut

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