- Arts & Culture 5939
- Business & Economics 689
- Computers 310
- Dictionaries & Encyclopedias 81
- Education & Science 71768
- Abstracts 252
- Astrology 4
- Astronomy 1
- Biology 8
- Chemistry 2021
- Coursework 15546
- Culture 9
- Diplomas 411
- Drawings 574
- Ecology 6
- Economy 83
- English 75
- Ethics, Aesthetics 3
- For Education Students 14480
- Foreign Languages 11
- Geography 3
- Geology 1
- History 89
- Maps & Atlases 5
- Mathematics 13856
- Musical Literature 2
- Pedagogics 19
- Philosophy 23
- Physics 14191
- Political Science 5
- Practical Work 101
- Psychology 60
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sexology 42
- Sociology 9
- Summaries, Cribs 87
- Test Answers 150
- Tests 9129
- Textbooks for Colleges and Universities 32
- Theses 24
- To Help Graduate Students 14
- To Help the Entrant 36
- Vetting 364
- Works 13
- Информатика 10
- Engineering 3058
- Fiction 696
- House, Family & Entertainment 107
- Law 132
- Website Promotion 71
A20 in a ton of sea water contains about 50 billion
Refunds: 0
Uploaded: 23.01.2014
Content: _20.rar 7,86 kB
Product description
20. ton of sea water contains about 50 billion gold atoms. Assuming that 30 drops of water have a mass of 1 g, to calculate the mass of gold per 1 g of seawater.
Additional information
The objectives of the manuals "Chemistry. Guidelines, work program and control tasks, "ed. prof. VA Averyanov, Part 1, Tula, 2004.
Many problems have been successfully surrendered !!!
For any questions (explain answer additional questions of the teacher, etc.) can be treated as Seller is the direct executors of tasks.
Tasks performed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; formula typed in MathType (if formulas are unreadable signs, then you must install the editor); files are archived WinRAR.
Feedback
0Period | |||
1 month | 3 months | 12 months | |
0 | 0 | 0 | |
0 | 0 | 0 |