Wednesday
April 23, 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

Earth Science - Why is potassium-argon dating most applicable to dating very old...
chemistry - The isotype caesium -137, which has a half life of 30 years, is a ...
physics - If the physical half-life of sulfur-35 is 87.1 days, and the biologic...
Chemistry - Half-life N2O5 dissolved in CCl4 decomposes to give N2O4 and O2. The...
Chemistry - K-42 has a half-life of 12.4 hours. If you begin with 250g of K-42, ...
science - on what website can i find info on things made of the element hafnium:...
Chemistry - Uranium-238 has half life of 4.51 * 10^9 years Uranium-234 has half ...
Chemistry - Mefenamic acid (Ponstan Forte) has a half life of 2 hours. Naproxen ...
Chemistry please help! - A Cesium 137 sample has a measured radioactivity of 50 ...
Chemistry - Half-life - Phosphene decomposes to phosphorus and hydrogen in a ...

Search
Members