Chemistry, 05.02.2021 01:00 bellojamilet410
A simple of helium has a volume of 521 dm3 at a pressure of 75 cm Hg and a temperature of 18°C. When the temperature is increased to 23° C, what is the volume of the helium?
Answers: 2
Chemistry, 21.06.2019 23:00
Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom
Answers: 1
Chemistry, 22.06.2019 17:30
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
Answers: 1
Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be:
Answers: 1
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
A simple of helium has a volume of 521 dm3 at a pressure of 75 cm Hg and a temperature of 18°C. When...
History, 19.12.2020 07:20
English, 19.12.2020 07:20
Arts, 19.12.2020 07:20
English, 19.12.2020 07:20
History, 19.12.2020 07:30
Mathematics, 19.12.2020 07:30
Physics, 19.12.2020 07:30
Mathematics, 19.12.2020 07:30
Mathematics, 19.12.2020 07:30