(a)
Interpretation:
The slopes of three functions should be explained.
Concept introduction:
Ellingham diagram is a plot of ΔG versus temperature. Unless a phase change occurs, the Ellingham plot can be drawn as straight line, as ΔH and ΔS are constant with temperature unless a phase change occurs. In an Ellingham plot ΔS is the slope and ΔH is the y − intercept.
(b)
Interpretation:
The relation of ΔrG0 for the reaction
Concept introduction:
Ellingham diagram is a plot of ΔG versus temperature. Unless a phase change occurs, the Ellingham plot can be drawn as straight line, as ΔH and ΔS are constant with temperature unless a phase change occurs. In an Ellingham plot ΔS is the slope and ΔH is the y − intercept.
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