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In an Ellingham diagram, the vertical axis represents:

 

Option: 1

Temperature in Kelvin


Option: 2

Enthalpy change in kJ/mol


Option: 3

Gibbs free energy change in kJ/mol


Option: 4

Pressure in atmospheres


Answers (1)

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In an Ellingham diagram, the vertical axis represents the Gibbs free energy change \mathrm{(\Delta G^{\circ})} in kJ/mol for the formation of metal oxides from the corresponding metals and oxygen.

 

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Suraj Bhandari

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