Chemistry, 18.01.2021 22:00, caggh345

Assume Boron has (only) two naturally occurring isotopes, B10 and B11. If Boron has an average atomic mass of 10.811amu, B10 has a mass of 10.0 amu and B11 has a mass of 11.0 amu, what are the abundancies of each isotope

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 23:50, stephaniero6

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Answers: 3

continue

Chemistry, 22.06.2019 09:00, tashaunalewis4786

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Answers: 1

continue

Chemistry, 22.06.2019 10:30, scott5315

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Answers: 3

continue

Chemistry, 22.06.2019 10:50, mi364

A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.

Answers: 3

continue

Do you know the correct answer?

Assume Boron has (only) two naturally occurring isotopes, B10 and B11. If Boron has an average atomi...