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

Illustrate process of extrusion, Illustrate process of extrusion. In t...

Illustrate process of extrusion. In this process a round heated billet of metal which is placed in a container is forced out through a die in a press. This process is normally

Perfect gases - states of matter, A gas is a fluid. It has no resistance to...

A gas is a fluid. It has no resistance to change of shape and will expand indefinitely to fill any container in which is held. The molecules or atoms which make up a gas interact o

Uses of esters - carboxylic acids, Uses of Esters (a) Esters are used a...

Uses of Esters (a) Esters are used as a solvent for oils, fats, cellulose, resins etc. (b) Esters are used in making artificial flavours and essences. (c) Esters are used

The most covalent, Which is the most covalent: (1)  C- O              ...

Which is the most covalent: (1)  C- O                                               (2)  C- Br                    (3)  C- S                              (4)  C-F A

Criteria of purity of organic compounds, Criteria of purity of organic comp...

Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re

Electro dialysis for brackish water, Q.   What are ion selective membranes ...

Q.   What are ion selective membranes used in electro dialysis of brackish water. Give examples. Ans. Electro dialysis for brackish water: The ion selective membranes are use

Catalysts , CATALYSTS A catalyst is a species that speeds up a chemica...

CATALYSTS A catalyst is a species that speeds up a chemical reaction but is not itself consumed. Catalysts do not change the thermodynamics of the position of equilibrium or a

Reichert-meissl value - analysis of oils and fats, Reichert-Meissl value o...

Reichert-Meissl value or R/M value - Analysis of oils and fats It points out the amount of steam volatile fatty acids exist in the oil or fat. It is illustarted as the number o

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