EBooks
- Arts & Culture 6250
- Business & Economics 672
- Computers 316
- Dictionaries & Encyclopedias 75
- Education & Science 77164
- Abstracts 73
- Astrology 4
- Biology 8
- Chemistry 4289
- Coursework 15614
- Culture 8
- Diplomas 317
- Drawings 1596
- Ecology 5
- Economy 81
- English 81
- Ethics, Aesthetics 3
- For Education Students 17670
- Foreign Languages 11
- Geography 3
- Geology 1
- History 88
- Maps & Atlases 5
- Mathematics 12625
- Musical Literature 2
- Pedagogics 21
- Philosophy 22
- Physics 15122
- Political Science 5
- Practical Work 59
- Psychology 64
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sociology 9
- Summaries, Cribs 87
- Test Answers 162
- Tests 8614
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 14
- To Help the Entrant 38
- Vetting 384
- Works 13
- Информатика 8
- Engineering 801
- Fiction 707
- House, Family & Entertainment 84
- Law 131
- Website Promotion 70
Task 60356.
Sold: 2
Refunds: 0
Uploaded: 17.07.2015
Content: 60356.PNG 9,34 kB
Refunds: 0
Uploaded: 17.07.2015
Content: 60356.PNG 9,34 kB
Product description
What is the amount of radioactive cobalt 60So27 need to take to get the radiation source with the same activity, which has 5 grams of iodine 131I53? The half-life of 8 days iodine, cobalt half-life of 5.3 years.
Additional information
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.
Feedback
0| Period | |||
| 1 month | 3 months | 12 months | |
| 0 | 0 | 0 | |
| 0 | 0 | 0 | |