va rog este urgent
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Răspuns:
2H2+ O2=> 2H2O
2Zn+ O2=> 2ZnO
C+ O2=> CO2
N2+ 3H2=> 2NH3
H2+ Cl2=> 2HCl
CaO + H2O => Ca( OH)2
Cu+ Cl2 => CuCl2
2Al+3 S=> Al2S3
2Fe+ 3Cl2=> 2FeCl3
H2O + CO2 => H2CO3