Question and answer
what is the name for the length of time of a decay process ? how can this be used to calculate the amount of a radioactive element compared to its original amount?
Half-life is the period of time it takes for a substance undergoing decay to decrease by half. [ Half-lives are very often used to describe quantities undergoing exponential decay—for example radioactive decay—where the half-life is constant over the whole life of the decay. ]
Expert answered|rdsa77|Points 7093|
Question
Asked 2/19/2010 9:22:31 AM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
hello
Question
Not Answered
Updated 3/2/2010 7:35:31 AM
3 Answers/Comments
Hello and welcome to Weegy. Do you have a question today?
Added 2/23/2010 6:32:23 AM
Hello! What is your question today?
Added 2/23/2010 1:53:26 PM
Hello,I am weegy, I am great, do you have another question?
Added 3/2/2010 7:35:31 AM
hello
Weegy: Hello may i help you with a Question? User: i did Weegy: how can I help you? User: describe einsteins famous equation e=mc2 using two well known conservation laws? Weegy: E=mc2 is a version of Einstein's famous Relativity equation. Specifically, it means that Energy is equal to Mass times the speed of light squared. In essence, it states that there is an equivalence between mass and energy. [ [ This simple statement has many profound implications... such as no object with mass can ever go faster than the speed of light! ] ] User: what are two well known conservation laws that can describe einsteins famous equation e=mc2 (More)
Question
Expert Answered
Asked 2/23/2010 5:42:27 AM
0 Answers/Comments
hello
Weegy: Hello may i help you with a Question? User: what are two well known conservation laws that can describe einsteins famous equation e=mc2 Weegy: Laws of Thermodynamics The Laws of Thermodynamics are considered part of the bedrock of physics (and among physicists, about as immobile as bedrock). But there are two problems. The first is essentially a clarification. [ The Laws of Physics (including specifically the Laws of Thermodynamics) are, in reality, not laws of nature, but instead man-made theories or informed guesses of how man believes nature works and how she apparently limits herself. They are a theory, and no amount of propaganda or public relations will convert them magically into fundamental laws which cannot be breached. It takes, as a matter of fact, only one contrary example to shake the most basic bedrock of theory. And the current problem is that we’re all living in an earthquake zone! ] (More)
Question
Expert Answered
Asked 2/23/2010 5:49:22 AM
0 Answers/Comments
hello
Weegy: Hello may i help you with a Question? User: when in real life would you use einsteins famous equation e=mc2 Weegy: for a science experiment, or just for the heck of it. (More)
Question
Expert Answered
Asked 2/23/2010 5:54:15 AM
0 Answers/Comments
hello
Weegy: Hello may i help you with a Question? User: write a balanced nuclear equation for helium-6 decays by beta decay? (More)
Question
Not Answered
Updated 3/2/2010 8:10:05 AM
3 Answers/Comments
[Deleted]
Added 3/2/2010 7:37:19 AM
Flagged by jeifunk [1/15/2014 3:34:51 AM], Deleted by jeifunk [1/15/2014 3:35:11 AM]
They are known to consist of helium-4 nuclei (nuclei with two protons ... A nuclear equation is a symbolic representation of a nuclear reaction ... Ex. Plutonium 239 emits an alpha particle when it decays, write the balanced nuclear equation. ... Ex. Protactinium 234 undergoes beta decay. Write the balanced nuclear ...
-
Added 3/2/2010 7:58:45 AM
[Deleted]
Added 3/2/2010 8:10:05 AM
Flagged by jeifunk [1/15/2014 3:34:57 AM], Deleted by jeifunk [1/15/2014 3:35:09 AM]
0 questions answered
Popular Conversations
precipitation
Weegy: Precipitation in chemistry is the creation of a solid in a solution or inside another solid during a chemical ...
9/4/2015 7:21:31 AM| 2 Answers
Charles de Montesquieu thought the government should be divided into ...
Weegy: Charles de Montesquieu thought the government should be divided into three branches of government. What is this ...
9/4/2015 11:03:20 AM| 2 Answers
Select the correct adjective form for the following sentence. At ...
Weegy: At the end of the fourth quarter, it became clear which team was more fit.
9/4/2015 12:16:27 PM| 2 Answers
Which is a sentence fragment? A. Yesterday waves crashed against ...
Weegy: Although they sang well. This is a sentence fragment. User: Which is a complete sentence? A. When we heard ...
9/4/2015 12:21:39 PM| 2 Answers
Weegy Stuff
S
1
L
L
P
R
Points 156 [Total 9479]| Ratings 0| Comments 156| Invitations 0|Offline
S
L
L
P
1
Points 122 [Total 9432]| Ratings 1| Comments 112| Invitations 0|Offline
S
Points 86 [Total 391]| Ratings 0| Comments 86| Invitations 0|Offline
S
Points 49 [Total 833]| Ratings 0| Comments 49| Invitations 0|Offline
S
Points 39 [Total 572]| Ratings 0| Comments 39| Invitations 0|Offline
S
Points 32 [Total 32]| Ratings 1| Comments 12| Invitations 1|Online
S
Points 24 [Total 29]| Ratings 1| Comments 4| Invitations 1|Offline
S
Points 20 [Total 208]| Ratings 0| Comments 20| Invitations 0|Offline
S
Points 11 [Total 67]| Ratings 0| Comments 11| Invitations 0|Offline
S
Points 10 [Total 10]| Ratings 0| Comments 0| Invitations 1|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.