User Account

All Pages

half life, Chemistry

Assignment Help:
A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material?
4. With a half-life of 28.8 years, how long will it take for 1000 mg of strontium-90 to decay to 125mg?
5. Cobalt-60 has a half-life of 5.3 years. If a pellet that has been in storage for 26.5 years contains 14.5 g of cobalt-60, how much of this radioisotope was present when the pellet was put into storage?
6. A 1000 g block of phosphorus-32, which has a half-life of 14.3 days, is stored for 100.1 days. At the end of this period, how much phosphorus- 32 remains?

Related Discussions:- half life

Explain dielectric loss, Dielectric loss: These losses occur because of el...

Dielectric loss: These losses occur because of electrons hopping from single lattice site to another in transition metal oxides.

Hydrides.., How to write conclusion for this topic hydrides

How to write conclusion for this topic hydrides

S block, Nylone–66 is formed by

Nylone–66 is formed by

Neutrons than protons at high mass numbers because, Nuclei tend to have mor...

Nuclei tend to have more neutrons than protons at high mass numbers because: (1) Neutrons are neutral particles   (2) Neutrons have more mass than protons   (3) More neut

Alcohols, Action of grignard reagents on carbonyl compounds with examples

Action of grignard reagents on carbonyl compounds with examples

Transition elements, what are the oxides and halides of d-block elements? m...

what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.

Explain the term acceptance tests, Acceptance tests What are Acceptanc...

Acceptance tests What are Acceptance Tests? Acceptance tests are used to evaluate product acceptability or liking or to determine which of a series of products is the most acc

Polynuclear complexes, how to name the following compound and how to assign...

how to name the following compound and how to assign oxdiation state aof central metal ion : positive complex ion containing two cobalt metal atoms which are held by the bridges hy

Objective type, 1.which of the following is f-block element /

1.which of the following is f-block element /

Organic chemistry, how will you prepare iodoform in labarotary?

how will you prepare iodoform in labarotary?

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd