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Question

Calculate Δr G for the reaction at 27C
H2(g)+2Ag+(aq)2Ag(s)+2H+(aq)
Given : pH2 = 0.5 bar;[Ag+]=105M;log 2 =0.3 log 2= 0.7,
[H+]=103M;ΔrG[Ag+(aq)]=77.1 kJ/mol

A
154.20 kJ/mol
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B
178.90 kJ/mol
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C
129.50 kJ/mol
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D
+154.21 kJ/mol
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