H2S+Br2=S+2HBr;
2H2SO4+Cu=CuSO4+SO2+2H2O;
;Fe+S=FeS
S+O2=SO2;
SO3+H2O=H2SO4;
4FeS2+11O2=2Fe2O3+8SO
2.
高一有关硫、氮的化学方程式求高手给解答
H2S+Br2=S+2HBr;
2H2SO4+Cu=CuSO4+SO2+2H2O;
;Fe+S=FeS
S+O2=SO2;
SO3+H2O=H2SO4;
4FeS2+11O2=2Fe2O3+8SO
2.