Dobierz współczynniki w reakcjach chenmicznych!!
Al2S3+O2------>S+Al2O3
Na2O+H2------>Na+H2O
N2+H2------>NH3
K2O+HCl------>KCl+H2O
C2H6+O2------>CO2+H2O
Proosze na teraz !!!
i to dokladnie :D
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2 Al2S3 + 3 O2------>6 S + 2 Al2O3
Na2O + H2------>2 Na + H2O
N2 + 3 H2------>2 NH3
K2O + 2 HCl------>2KCl + H2O
2 C2H6 + 7 O2------>4 CO2 + 6 H2O