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Find the number of disintegrations

The half-life of Th-232 is 1.4E10. Find the number of disintegrations per hour emitted by 1 mol of Th-232.
1. 4 answers
2. asked by Nic
3. 839 views
Find the number of disintegrations per minute emitted by 1.1 mol of 232-Th in 1 min. The half-life of 232-Th is 1.4 x 1010 yearI
1. 1 answer
2. asked by Nancy
3. 1,945 views
The half-life of 232Th is 1.4 * 10^10. Find the number of disintegrations per hour emitted by 1 mil of 232Th in 1 min.
1. 1 answer
2. asked by Nic
3. 539 views
ok in my professors notes he calculates carbon 14 age in an example.The problem goes like this: Sample contains 110g carbon
1. 2 answers
2. asked by student012
3. 474 views
The cloth shroud from around a mummy is found to have a carbon-14 activity of 8.1 disintegrations per minute per gram of carbon
1. 3 answers
2. asked by Anonymous
3. 2,779 views
The half life of Uranium-238 against alpha decay is 4.5*10^9 years.Calculate the number of disintegrations taking place in 1gm
1. 1 answer
2. asked by Anju
3. 586 views
Suppose you have a sample of clamshell at a Paleoindian site and you measure the 14C activity of a 100-gram sample of carbon as
1. 0 answers
2. asked by Jay
3. 487 views
I don't know if I should be posting this on a new session or just the old one; I asked it yesterday and I have not seen a replyI
1. 0 answers
2. asked by Nancy
3. 491 views
A 1.00-g sample of carbon from a modernsource gave 15.3 disintegrations per minute. A sample of carbon from an “old” source
1. 1 answer
2. asked by Eddy
3. 613 views
A 1.00-g sample of carbon from a modernsource gave 15.3 disintegrations per minute. A sample of carbon from an “old” source
1. 6 answers
2. asked by Eddy
3. 1,565 views