Monday
September 22, 2014

Homework Help: chm

Posted by cp on Friday, February 10, 2012 at 12:23am.

An unknown radioactive substance has a half-life of 3.20 . If 34.8 of the substance is currently present, what mass was present 8.00 hours ago?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - A radioactive substance decays according to the formula Q(t) = Q0e−...
Math - A radioactive substance decays according to the formula Q(t) = Q0e−...
calculus - The rate at which an amount of a radioactive substance decays is ...
Science - Radioactive substance decays so that after t years, the amount ...
Pre Cal - a radio actice substance decays so that half of the substance decays ...
Science - If a 20 gram sample of a radioactive substance has a half-life of 6000...
precal - If the half-life of a certain radioactive substance is 2000 years, ...
Calculus - Write a differential equation to model the situation given. Do not ...
Math-Exponential Decay - A lab technician had 58 grams of a radioactive ...
Physics - A radioactive substance decays from 2.0kg to 1.6kg in 156 days. What ...

Search
Members