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已知反应(1)2MnO2(s)=2MnO(s)+O2(g)的ΔrHθm1和反应(2)MnO2(s)+Mn(s)=2MnO(s)的ΔrHθm2,则ΔfHθm(MnO2,s)等于()

  • A、ΔrHθm1+ΔrHθm2
  • B、ΔrHθm1-ΔrHθm2
  • C、2ΔrHθm2-ΔrHθm1
  • D、ΔrHθm2-ΔrHθm1

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更多 “已知反应(1)2MnO2(s)=2MnO(s)+O2(g)的ΔrHθm1和反应(2)MnO2(s)+Mn(s)=2MnO(s)的ΔrHθm2,则ΔfHθm(MnO2,s)等于()A、ΔrHθm1+ΔrHθm2B、ΔrHθm1-ΔrHθm2C、2ΔrHθm2-ΔrHθm1D、ΔrHθm2-ΔrHθm1” 相关考题
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