Chemistry, 26.07.2021 16:50 brimccauley6518
Cho biết: Hidro có 3 đồng vị: 1 1H , 2 1H , 3 1H ; oxi có 3 đồng vị: O 16 8 , O 17 8 , O 18 8 ; cacbon có 2 đồng vị: 12 6C , 13 6C , clo có 2 đồng vị: 35 17Cl , 37 17Cl ; đồng có 2 đồng vị: Cu 63 29 , Cu 65 29 . Có mấy loại phân tử H2O, HCl, CO2, CuO, CuCl2, Cu2O khác nhau được tạo ra từ các loại đồng vị trên, viết CTCT của chúng? Tính phân tử khối của chúng.
Answers: 3
Chemistry, 21.06.2019 18:30
Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than
Answers: 1
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
Chemistry, 22.06.2019 20:00
Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)
Answers: 1
Chemistry, 23.06.2019 03:00
Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
Answers: 1
Cho biết: Hidro có 3 đồng vị: 1 1H , 2 1H , 3 1H ; oxi có 3 đồng vị: O 16 8 , O 17 8 , O 18 8 ; cacb...
Mathematics, 25.05.2021 14:00
English, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
History, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
Social Studies, 25.05.2021 14:00
Biology, 25.05.2021 14:00
Mathematics, 25.05.2021 14:00
English, 25.05.2021 14:00