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2H2SO4+Cu=△=CuSO4+SO2↑+2H2O
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SO2+Br2+2H2O=2HBr+H2SO4
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Fe+2HBr=FeBr2+H2↑
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2FeBr2+5Cl2=2FeCl3+4BrCl
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2FeCl3+3Hg2(NO3)2=3Hg2Cl2↓+2Fe(NO3)3
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Hg2Cl2+2KOH=Hg+HgO+2KCl+H2O
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HgO+2HSCN=Hg(SCN)2+H2O
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4Hg(SCN)2=法老之蛇=4HgS+2CS2+3(CN)2↑+N2↑
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159樓 巨大八爪鱼
2013-5-19 15:03
N2+3H2==催化剂==高温==2NH3
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160樓 浅风仁樱
2013-5-19 18:16
2NH3+H2SO4=(NH4)2SO4 氨气过量时
NH3+H2SO4=NH4HSO4 氨气少量时
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