Ответ:
S +O2=SO2
2S + 3O * 2 = 2SO * 3
4P +3O2=2P2O3
4P +5O2=2P205
2 H2+O2=2H2O
C2H4+302=2CO2+2H20
2 C2H2+5O2=4CO2+2H2O
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Ответ:
S +O2=SO2
2S + 3O * 2 = 2SO * 3
4P +3O2=2P2O3
4P +5O2=2P205
2 H2+O2=2H2O
C2H4+302=2CO2+2H20
2 C2H2+5O2=4CO2+2H2O