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.
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Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?
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The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.
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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...
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