subject
Chemistry, 01.07.2019 08:10 pryncesz2859

Chlorine is usually obtained as a mixture
of two isotopes which contain 18 and
20 neutrons respectively. the relative
atomic mass of chlorine is 35.5 and its
proton number is 17. what is the ratio of
the heavier to the lighter isotope?

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 14:30
Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral.a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic
Answers: 1
question
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
question
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) ⇌ 2co(g) k'p = 1.30 × 1014 co(g) + cl2(g) ⇌ cocl2(g) k''p = 6.00 × 10−3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) ⇌ 2cocl2(g) 4.68 × 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
question
Chemistry, 23.06.2019 01:00
Who examines and coordinates the cleanup of polluted sites?
Answers: 2
You know the right answer?
Chlorine is usually obtained as a mixture
of two isotopes which contain 18 and
20 neutrons...
Questions
Questions on the website: 13722365