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關於H1akJ的百科

已知:(1)H2(g)+O2(g)=H2O(g)       △H1=akJ·mol-1       (2)2...
 在密閉容器中進行反應①Fe(s)+C02(g)FeO(s)+CO(g)  ΔH1=akJ·mol一反應②2C...
已知:(1)H2(g)+1/2O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O...
  • 已知:(1)H2(g)+1/2O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O...

  • 問題詳情:已知:(1)H2(g)+1/2O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O2(g)====2H2O(g) ΔH2=bkJ·mol-1(3)H2(g)+1/2O2(g)====H2O(l) ΔH3=ckJ·mol-1(4)2H2(g)+O2(g)====2H2O(l) ΔH4=dkJ·mol-1下列關係式正確的是A.a<c<0         B.b>d>0         C.2a=b<0         D.2c=d>0...
  • 18628
已知:(1)H2(g)+O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O2(g...
  • 已知:(1)H2(g)+O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O2(g...

  • 問題詳情:已知:(1)H2(g)+O2(g)====H2O(g) ΔH1=akJ·mol-1(2)2H2(g)+O2(g)====2H2O(g) ΔH2=bkJ·mol-1(3)H2(g)+O2(g)====H2O(l) ΔH3=ckJ·mol-1(4)2H2(g)+O2(g)====2H2O(l) ΔH4=dkJ·mol-1下列關係式正確的是(   )A.a<c<0        B.b>d>0         C.2a=b<0          D.2c=d>0...
  • 18698
已知N2(g)+H2(g)=N(g)+3H(g)  ΔH1=+akJ·mol-1;N(g)+3H(g)=NH3...
  • 已知N2(g)+H2(g)=N(g)+3H(g)  ΔH1=+akJ·mol-1;N(g)+3H(g)=NH3...

  • 問題詳情:已知N2(g)+H2(g)=N(g)+3H(g)  ΔH1=+akJ·mol-1;N(g)+3H(g)=NH3(g)  ΔH2=-bkJ·mol-1;NH3(g)=NH3(l)   ΔH3=-ckJ·mol-1試寫出N2(g)和H2(g)反應生成液氨的熱化學方程式:__。【回答】N2(g)+3H2(g)=2NH3(l)  ΔH=-2(b+c-a)kJ·mol-1【解析】①N2(g)+H2(g)=...
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