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已知298K时,Sn(s)+Cl2(g)→SnCl2(s)的△rHθm(1)=-349.8kJ·mol-1,SnCl2(s)+Cl2(g)→SnCl4(l)的△rHθm(2)=-195.4kJ·mol-1,则1/2Sn(s)+Cl2(g)→1/2SnCl4(g)的△rHθm为()。

  • A、-545.2kJ·mol-1
  • B、-272.6kJ·mol-1
  • C、154.4kJ·mol-1
  • D、-154.4kJ·mol-1

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更多 “已知298K时,Sn(s)+Cl2(g)→SnCl2(s)的△rHθm(1)=-349.8kJ·mol-1,SnCl2(s)+Cl2(g)→SnCl4(l)的△rHθm(2)=-195.4kJ·mol-1,则1/2Sn(s)+Cl2(g)→1/2SnCl4(g)的△rHθm为()。A、-545.2kJ·mol-1B、-272.6kJ·mol-1C、154.4kJ·mol-1D、-154.4kJ·mol-1” 相关考题
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