摘要: (1)CaC2 + 2H2O→C2H2↑+Ca 2 C2H2 ( g ) + 5/2O2 ( g ) == 2 CO2 + H2O ( 1 ) ; △H = ?1300kJ?mol?1 (2)漂白粉 CO2 + H2O + Ca 2 == CaCO3 + 2HClO 光照2HClO ==== 2HCl + O2↑ (3)NO2Cl 2NO2 + Cl2 == 2NO2Cl

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