| Lösungen |
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| 1) Ein O2-Molekül
besteht aus 2 O-Atomen, ein HNO3 - Molekül besteht aus
1 H, 1 N und 3 O-Atomen
2) CaCl2 besteht
aus Ca-Ionen und Chlorid-Ionen im Verhältnis 1:2
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| Reaktionsgleichungen: |
| N2 | + | 3 | H2 | => | 2 | NH3 | ||||
| 2 | SO2 | + | O2 | => | 2 | SO3 | ||||
| CaO | + | H2O | => | Ca(OH)2 | ||||||
| P4O10 | + | 6 | H2O | => | 4 | H3PO4 | ||||
| 2 | KNO3 | => | 2 | KNO2 | + | O2 | ||||
| P4 | + | 5 | O2 | => | P4O10 | |||||
| 4 | NO | + | 3 | O2 | + | 2 | H2O | => | 4 | HNO3 |
| 2 | Na | + | 2 | H2O | => | 2 | NaOH | + | H2 | |
| Zn | + | 2 | HCl | => | ZnCl2 | + | H2 | |||
| 4 | KMnO4 | => | 2 | K2O | + | 4 | MnO2 | + | 3 | O2 |
| Ca(OH)2 | + | 2 HCl | => | 2 H2O | + | CaCl2 |
| 2 Mg | + | O2 | => | 2 MgO | ||
| Fe2O3 | + | 3 CO | => | 2 Fe | + | 3 CO2 |
| 3 NaOH | + | H3PO4 | => | 3 H2O | + | Na3PO4 |
| 2 Na | + | Cl2 | => | 2 NaCl | ||
| Mg(OH)2 | + | 2 HCl | => | 2 H2O | + | MgCl2 |
| 2 Ca | + | O2 | => | 2 CaO | ||
| 4 Al | + | 3 O2 | => | 2 Al2O3 | ||
| 2 NaOH | + | H2SO4 | => | 2 H2O | + | Na2SO4 |
| 2 H2O2 | => | 2 H2O | + | O2 | ||
| 2 K | + | Cl2 | => | 2 KCl | ||
| Li2O | + | H2O | => | 2 LiOH | ||
| Ca3(PO4)2 | + | 3 H2SO4 | => | 3 CaSO4 | + | 2 H3PO4 |
| 3 Ca(OH)2 | + | 2 H3PO4 | => | Ca3(PO4)2 | + | 6 H2O |
| (NH4)2CO3 | => | 2 NH3 | + | CO2 | + | H2O |
| 4 NO2 | + | O2 | + | 2 H2O | => | 4 HNO3 |
| 4 KClO3 | => | 3 KClO4 | + | KCl | ||
| 4 NH3 | + | 6 NO | => | 5 N2 | + | 6 H2O |
| 4 FeS | + | 7 O2 | => | 2 Fe2O3 | + | 4 SO2 |
| Sn | + | 4 HNO3 | => | Sn(NO3)4 | + | 2 H2 |
| NH4NO2 | => | N2 | + | 2 H2O | ||
| PCl3 | + | 3 H2O | => | H3PO3 | + | 3 HCl |
| Bi(NO3)3 | + | 2 H2O | => | Bi(OH)2NO3 | + | 2 HNO3 |
| Ca3(PO4)2 | + | 5 C | + | 3 SiO2 | => | 3 CaSiO3 | + | 5 CO | + | 2 P |
| MnO2 | + | 4 HCl | => | MnCl2 | + | 2 H2O | + | Cl2 |
| CaCO3 | + | 2 HCl | => | CaCl2 | + | H2O | + | CO2 |
| 4 P | + | 3 NaOH | + | 3 H2O | => | PH3 | + | 3 NaH2PO2 |
| 3 P | + | 5 HNO3 | + | 2 H2O | => | 3 H3PO4 | + | 5 NO |
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