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          題目列表(包括答案和解析)

          已知:
          O2(g) = O2+(g)+e           △H1= +1175.7 kJ/mol
          PtF6(g) =PtF6(g)+e       △H2= +771.1 kJ/mol
          O2+(g)+PtF6(g) =O2PtF6(s)   △H3= -482.2 kJ/mol
          則反應(yīng)O2(g)+PtF6(g) = O2PtF6(s)的△H是
          [     ]
          A.77.6 kJ       
          B.-77.6 kJ/mol    
          C.+77.6kJ/mol    
          D.-886.8kJ/mol

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          已知:O2(g) = O2+(g)+e- △H1= +1175.7 kJ·mol-1
          PtF6-(g) =PtF6(g)+e- △H2= +771.1 kJ·mol-1
          O2+(g)+PtF6-(g) =O2PtF6(s) △H3= -482.2 kJ·mol-1
          則反應(yīng)O2(g)+PtF6(g) = O2PtF6(s)的△H是
          [     ]
          A.77.6 kJ
          B.-77.6 kJ·mol-1
          C.+77.6kJ·mol-1
          D.-886.8kJ·mol-1

          查看答案和解析>>

          已知:O2(g) = O2+(g)+e          H1=" +1175.7" kJ·mol-1
          PtF6(g) =PtF6(g)+e      H2=" +771.1" kJ·mol-1
          O2+(g)+PtF6(g) =O2PtF6(S) H3=" -482.2" kJ·mol-1
          則反應(yīng)O2(g)+PtF6(g) = O2PtF6 (s)的H

          A.77.6 kJ B.-77.6 kJ·mol-1 C.+77.6kJ·mol-1D.-886.8kJ·mol-1

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          已知:O2(g) = O2+(g)+e          H1=" +1175.7" kJ·mol-1
          PtF6(g) =PtF6(g)+e      H2=" +771.1" kJ·mol-1
          O2+(g)+PtF6(g) =O2PtF6(S) H3=" -482.2" kJ·mol-1
          則反應(yīng)O2(g)+PtF6(g) = O2PtF6 (s)的H
          A.77.6 kJ B.-77.6 kJ·mol-1 C.+77.6kJ·mol-1D.-886.8kJ·mol-1

          查看答案和解析>>

          已知:O2(g) = O2+(g)+e          H1=" +1175.7" kJ·mol-1
          PtF6(g) =PtF6(g)+e      H2=" +771.1" kJ·mol-1
          O2+(g)+PtF6(g) =O2PtF6(S) H3=" -482.2" kJ·mol-1
          則反應(yīng)O2(g)+PtF6(g) = O2PtF6 (s)的H是(  )

          A.77.6 kJ B.-77.6 kJ·mol-1 C.+77.6kJ·mol-1D.-886.8kJ·mol-1

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