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Standard molar Gibbs free energy of formation of PbO(s) over a wide temperature range from EMF measurements

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Title Standard molar Gibbs free energy of formation of PbO(s) over a wide temperature range from EMF measurements
 
Creator GANESAN, R
GNANASEKARAN, T
SRINIVASA, RS
 
Subject solid oxide electrolyte
liquid lead
oxygen
solubility
system
thermodynamics
cell
 
Description The EMF of the following galvanic cells, Kanthal, Re, Pb, PbO \CSZ\ O-2 (1 atm.), Pt Kanthal, Re, Pb, PbO \ CSZ \ O-2 (1 atm.), RuO2, Pt were measured as a function of temperature. With O-2 (1 atm.), RuO2 as the reference electrode, measurements were possible at low temperatures close to the melting point of Pb. Standard Gibbs energy of formation, DeltarG(m)(0) was calculated from the emf measurements made over a wide range of temperature (612-1111 K) and is given by the expression: Delta(f)G(m)(0) +/- 0.10 kJ = -218.98 + 0.09963T. A third law treatment of the data yielded a value of -218.08 +/- 0.07 kJ mol(-1) for the enthalpy of formation of PbO(s) at 298.15 K, Delta(f)H(m)(0) which is in excellent agreement with second law estimate of -218.07 +/- 0.07 kJ mol(-1). (C) 2003
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-07-26T18:57:56Z
2011-12-26T12:55:38Z
2011-12-27T05:41:46Z
2011-07-26T18:57:56Z
2011-12-26T12:55:38Z
2011-12-27T05:41:46Z
2003
 
Type Article
 
Identifier JOURNAL OF NUCLEAR MATERIALS, 320(3), 258-264
0022-3115
http://dx.doi.org/10.1016/S0022-3115(03)00191-0
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6997
http://hdl.handle.net/10054/6997
 
Language en