摘要: (1) CH4(g)+2O2(g)CO2(g)+2H2O(l) ΔH=-890 kJ·mol-1 (2)①CH4+10OH--8e-C+7H2O ②BD (3)①2Cl-+2H2OCl2↑+H2↑+2OH- ②5Cl2+I2+6H2O10HCl+2HIO3

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