Thursday
July 24, 2014

Homework Help: Chemistry

Posted by Jacob on Tuesday, December 11, 2012 at 11:15pm.

The half-life of hafnium-156 is 0.025 s. how long will it take a 560 g sample to decay to one-fourth it's original mass?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - How long will it take a sample of polonium-210 with a half-life of 140...
chemistry - The isotype caesium -137, which has a half life of 30 years, is a ...
chemistry - How long will it take for 25% of the C-14 atoms in a sample of C-14 ...
calculus - A sample of a radioactive substance decayed to 94.5% of its original ...
chemistry - If there are 80 milligrams of a radioactive element decays to 10 ...
Math - The half-life of strontium-90 is 28 years. How long will it take a 60 mg ...
Calc - A sample of a radioactive substance decayed to 93.5% of its original ...
Physics HELP HELP - (for some reason I keep getting this wrong. I put 90 for c, ...
s103 - the isotope caesium -137, which has a half life of 30 years, is a product...
chemistry - If the radiicativr decay of nuclear explosion contains 90 Sr , with ...

Search
Members