摘要：已知:O2(g) = O2+(g)+e- △H1=+1175.7 kJ/mol PtF6(g)+e-=PtF6-(g) △H2=-771.1 kJ/mol O2PtF6(S)=O2+(g)+PtF6-(g) △H3=+482.2 kJ/mol 则反应O2(g)+PtF6(g) = O2+PtF6-(s)的△H= kJ/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

则反应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

 

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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
则反应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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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
则反应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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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
则反应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－　ΔH1＝＋1175.7 kJ·mol－1

PtF6－(g)＝PtF6(g)＋e－　ΔH2＝＋771.1 kJ·mol－1

O2+(g)＋PtF6－(g)＝O2PtF6(S)　ΔH3＝－482.2 kJ·mol－1

则反应O2(g)＋PtF6(g)＝O2PtF6(s)的ΔH是

[　　]

A．

77.6 kJ

B．

－77.6 kJ·mol－1

C．

＋77.6 kJ·mol－1

D．

－886.8 kJ·mol－1

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