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在标准状态下,反应C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(g)的反应焓为ΔrHmθ,ΔCp>0,下列说法中正确的是()

  • A、ΔrHmθ是C2H5OH(l)的标准摩尔燃烧焓
  • B、ΔrHmθ〈0
  • C、ΔrHmθ=ΔrUmθ
  • D、ΔrHmθ不随温度变化而变化

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更多 “在标准状态下,反应C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(g)的反应焓为ΔrHmθ,ΔCp0,下列说法中正确的是()A、ΔrHmθ是C2H5OH(l)的标准摩尔燃烧焓B、ΔrHmθ〈0C、ΔrHmθ=ΔrUmθD、ΔrHmθ不随温度变化而变化” 相关考题
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