Chemistry, 08.02.2021 23:40 wittlerylee34
Naturally occurring silicon consists of three isotopes with the following isotopic masses and abundances. IsotopeIsotopic mass (u)Abundance (%) 28 Si 27.9769265327 92.2297 29 Si 28.97649472 4.6832 30 Si 29.97377022 3.0872 Calculate the average atomic mass of naturally occurring silicon to at least four significant figures.
Answers: 3
![A=\sum[(27.9769265327\times \frac{92.2297}{100})+(28.97649472\times \frac{4.6832}{100})+(29.97377022\times \frac{3.0872}{100})]](/tpl/images/1102/8397/1dfea.png)
Another question on Chemistry
Chemistry, 22.06.2019 10:20
Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3
Answers: 3
Chemistry, 22.06.2019 17:30
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
Answers: 3
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
Chemistry, 23.06.2019 06:30
The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.
Answers: 3
You know the right answer?
Naturally occurring silicon consists of three isotopes with the following isotopic masses and abunda...
Questions
English, 25.03.2021 03:10
Social Studies, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
History, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
Mathematics, 25.03.2021 03:10
English, 25.03.2021 03:10
History, 25.03.2021 03:10
