可以相加.反应如下:
负极:CH4 + 3H2O + 9CO32- — 8e- =10 HCO3-
正极:2 O2 + 4 H2O + 8e- = 8 OH-
正负极,这里并不是不能相加,而是相加后需要注意,还有反应发生的.
相加后得:CH4 + 3H2O + 9CO32- + 2 O2 + 4 H2O = 10 HCO3- + 8 OH-
这里的HCO3- 与OH-会发生反应,HCO3- + OH- = H2O 显然是HCO3-过量,
上式化简为 CH4 + 7H2O + 9CO32- + 2 O2 = 8H2O+ 2HCO3- +8CO32-
再进行约简就可得到
总反应为:CH4 + 2O2 + CO32- = 2HCO3- + H2O
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