Chemistry, 19.10.2021 20:20 meechristianp
Thực hiện chuỗi phản ứng sau: S-->SO2-->SO3-->H2SO4--> ;SO2-->H2SO3-->Na2SO3-->SO 2-->Na2SO3-->Na2SO4-->BaSO 4
Answers: 2
Chemistry, 21.06.2019 23:00
Why are the trends and exceptions to the trends in ionization energy observed?
Answers: 1
Chemistry, 22.06.2019 12:30
When a scientific theory has been tested and proved by the scientific community, it becomes a law
Answers: 2
Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Thực hiện chuỗi phản ứng sau:
S-->SO2-->SO3-->H2SO4--> ;SO2-->H2SO3-->Na2SO3--&g...
Computers and Technology, 20.02.2021 07:00
Physics, 20.02.2021 07:00
Arts, 20.02.2021 07:00
Mathematics, 20.02.2021 07:00
Mathematics, 20.02.2021 07:00
Mathematics, 20.02.2021 07:00
Health, 20.02.2021 07:00
Physics, 20.02.2021 07:00
Mathematics, 20.02.2021 07:00
Business, 20.02.2021 07:00
Mathematics, 20.02.2021 07:00