Chemistry, 20.09.2020 04:01 smusisca53

A Potassium isotope contains 19 protons, 19 electrons and 21 neutrons. What is its mass number? 40

Answers: 2

Show answers

Other questions on the subject: Chemistry

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

Chemistry, 22.06.2019 14:20, kekecantonxox121

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

Answers: 1

continue

Chemistry, 22.06.2019 14:30, KennyOaks6230

Which of the following units is not an official si unit

Answers: 1

continue

Chemistry, 23.06.2019 03:30, Ramann03

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.

Answers: 3

continue

You know the right answer?

A Potassium isotope contains 19 protons, 19 electrons and 21 neutrons. What is its mass number? 40...