HC≡CH + H2O → (H⁺, Hg²⁺) H3C-C=O
|
H
H3C-C=O + H2 → (Ni) H3C-CH2-OH
|
H
5H3C-CH2-OH + 4KMnO4 + 6H2SO4 → 5H3C-C=O + 2K2SO4 + 4MnSO4 +
|
OH
+11H2O
H3C-C=O + HO-CH2-CH3 ⇄ (H2SO4) H3C-C=O + H2O
| |
OH O-CH2-CH3
H3C-C=O + 5O2 → (t°) 4CO2 + 4H2O
|
O-CH2-CH3
Объяснение:
a)
Mr[O3] = Ar[O] * 3 = 16 * 3 = 48
Mr[FeO] = Ar[Fe] + Ar[O] = 56 + 16 = 72
Mr[CO] = Ar[C] + Ar[O] = 12 + 16 = 28
Mr[CuS] = Ar[Cu] + Ar[S] = 64 + 32 = 96
Mr[FeS2] = Ar[Fe] + Ar[S] * 2 = 56 + 32 * 2 = 120
Mr[NaOH] = Ar[H] + Ar[Na] + Ar[O] = 1 + 23 + 16 = 40
Mr[ZnCl2] = Ar[Cl] * 2 + Ar[Zn] = 35 * 2 + 65 = 136
Mr[NaBr] = Ar[Br] + Ar[Na] = 80 + 23 = 103
Mr[AlP] = Ar[Al] + Ar[P] = 27 + 31 = 58
Mr[BaCl2] = Ar[Ba] + Ar[Cl] * 2 = 137 + 35 * 2 = 208
b)
Mr[Al2O3] = Ar[Al] * 2 + Ar[O] * 3 = 27 * 2 + 16 * 3 = 102
Mr[CrSO4] = Ar[Cr] + Ar[O] * 4 + Ar[S] = 52 + 16 * 4 + 32 = 148
Mr[BaCO3] = Ar[C] + Ar[Ba] + Ar[O] * 3 = 12 + 137 + 16 * 3 = 197
Mr[AlPO4] = Ar[Al] + Ar[O] * 4 + Ar[P] = 27 + 16 * 4 + 31 = 122
Объяснение:
Ca Rb O N кальций рубидий кислород азот
W At Er вольфрам астат эрбий
Re Ac Ti O N рений актиний титан
Windy (ветренный) - W In Dy (вольфрам, индий, диспрозий)