Stimmen diese 8 Reaktionsgleichungen?

1.       

a)     Schwefel               +            Sauerstoff         ->          Schwefeloxid

   S                                 +            O2                         ->          SO2

 

b)     Stickstoff           +            Wasserstoff       ->          Ammoniak

N2                        +            H2                          ->          NH3

N2                                +            3H2                        ->          2NH3

 

c)      Kalium               +            Sauerstoff         ->          Kaliumoxid

K                           +            O2                         ->          K2O

2K                         +            O2                         ->          K2O

4K                           +            O2                         ->          2K2O

 

d)     Magnesium         +          Sauerstoff          ->          Magnesiumoxid             

Mg                               +            O2                         ->          MgO

Mg                               +            O2                         ->          2MgO

2Mg                             +            O2                         ->          2MgO

 

e)     Natrium               +            Chlor                ->          Natriumchlorid

Na                        +            Cl2                      ->          NaCl

Na                        +            Cl2                      ->          2NaCl

2Na                      +            Cl2                       ->          2NaCL

 

f)       

1.      Kohlenstoff       +            Sauerstoff          ->          Kohlenstoffdioxid

C                           +            O2                         ->          CO2

 

2.      Kohlenstoff      +            Sauerstoff          ->          Kohlenstoffmonoxid

C                        +            O2                         ->          CO

C                +            O2                         ->          2CO

2C                    +            O2                         ->          2CO

 

g)     Aluminium                +            Sauerstoff          ->          Aluminiumoxid

Al                                  +            O2                         ->          Al2O3

2Al                                +            O2                         ->          Al2O3

2Al                                +            3O2                       ->          2Al2O3  

4Al                                +            3O2                       ->          2Al2O3

Schule, Chemie, reaktionsgleichungen

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