A、3.1×1010
B、3.25×10-11
C、7.4×1013
D、0.13×10-12
更多“25℃时，反应2H<sub>2</sub>S+SO<sub>2</sub>=3S↓+2H<sub>2</sub>O达到平衡时，其平衡常数为多少（已知25℃时，φ（S|H<sub>2</sub>S）=0.14V，φ（SO<sub>2</sub>|S）=0.45V）：（）。”相关的问题
A、E<sub>2sub>=-2E<sub>1sub> B、E<sub>2sub>=2E<sub>1sub> C、E<sub>2sub>=-E<sub>1sub> D、E<sub>2sub>=E<sub>1sub>
A、CO<sub>2sub>＋H<sub>2sub>S→CS<sub>2sub>＋2H<sub>2sub>O B、CO<sub>2sub>＋2S→CS<sub>2sub>＋O<sub>2sub> C、CO<sub>2sub>＋2H<sub>2sub>S→CS<sub>2sub>＋H<sub>2sub>O D、CO<sub>2sub>＋2H<sub>2sub>S→CS<sub>2sub>＋2H<sub>2sub>O
A、E0<sub>2sub>=-2E0<sub>1sub> B、E0<sub>2sub>=2E0<sub>1sub> C、E0<sub>2sub>=-E0<sub>1sub> D、E0<sub>2sub>=E0<sub>1sub>
A、CH<sub>4sub>＋2S<sub>2sub>→CS<sub>2sub>＋H<sub>2sub>S B、CH<sub>4sub>＋2S<sub>2sub>→CS<sub>2sub>＋2H<sub>2sub>S C、CH<sub>4sub>＋S<sub>2sub>→CS<sub>2sub>＋2H<sub>2sub> D、CH<sub>4sub>＋3S<sub>2sub>→CS<sub>2sub>＋4H<sub>2sub>S
A、H<sub>2sub>S＋1/2O<sub>2sub>=1/2S<sub>2sub>+H<sub>2sub>S B、CH<sub>4sub>＋2O<sub>2sub>=CO<sub>2sub>＋2H<sub>2sub>O C、2H<sub>2sub>S＋3O<sub>2sub>=2SO<sub>2sub>＋2H<sub>2sub>O D、COS+H<sub>2sub>O=CO<sub>2sub>+H<sub>2sub>S
A、CS<sub>2sub>＋H<sub>2sub>O→COS＋H<sub>2sub>S B、CS<sub>2sub>＋2H<sub>2sub>O→CO<sub>2sub>＋2H<sub>2sub>S C、CS<sub>2sub>＋H<sub>2sub>O→CO＋H<sub>2sub>S D、2CS<sub>2sub>＋H<sub>2sub>O→2COS＋<sub>2sub>
A、C+O<sub>2sub>=CO<sub>2sub> B、C+H<sub>2sub>O=CO+H<sub>2sub> C、C+2H<sub>2sub>=CH<sub>4sub>
A、2H++2e→H<sub>2sub> B、Pb→Pb2++2e C、PbSO<sub>4sub>+2e→Pb+SO<sub>4sub>2- D、PbO<sub>2sub>+4H++SO<sub>4sub>2-+2e→PbSO<sub>4sub>+2H<sub>2sub>O
A、E<sub>1sub>=E<sub>2sub>；K<sub>1sub>=K<sub>2sub> B、E<sub>1sub>≠E<sub>2sub>；K<sub>1sub>=K<sub>2sub> C、E<sub>1sub>=E<sub>2sub>；K<sub>1sub>≠K<sub>2sub> D、E<sub>1sub>≠E<sub>2sub>；K<sub>1sub>≠K<sub>2sub>
A、Fe<sub>2sub>O<sub>3sub>+3H<sub>2sub>SO<sub>4sub>==Fe<sub>2sub>（SO<sub>4sub>）<sub>3sub>+3H<sub>2sub>O B、Cu（OH）<sub>2sub>+2HCl==CuCl<sub>2sub>+2H<sub>2sub>O C、CaCO<sub>3sub>+2HCl==CaCl<sub>2sub>+H<sub>2sub>O+CO<sub>2sub>↑ D、BaCl<sub>2sub>+H<sub>2sub>SO<sub>4sub>==BaSO<sub>4sub>↓+2HCl
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