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心脏起搏器电源—锂碘电池反应为:2Li(s)+I2(s)=2LiI(s)ΔH;已知:4Li(s)+O2(g)=2Li2O(s)ΔH1;4LiI(s)+O2(g)=2I2(s)+2Li2O(s)ΔH2;...
题目内容:
心脏起搏器电源—锂碘电池反应为:2Li(s)+I2(s)=2LiI(s)ΔH;已知:4Li(s)+O2(g)=2Li2O(s)ΔH1;4LiI(s)+O2(g)=2I2(s)+2Li2O(s)ΔH2;则下列说法正确的是( )
A.ΔH=1/2ΔH1-ΔH2 B.ΔH=1/2ΔH1+ ΔH2
C.ΔH=12/ΔH1-1/2ΔH2 D.ΔH=1/2ΔH1+ 1/2ΔH2
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