![]() ![]() Now when reducing metal oxides the ΔH is almost always negative (exothermic) reaction. The reaction of metal with air can be generally represented as Metals that have curves at the bottom of the diagram reduce the metals found more towards the top.We will plot the temperature on the Y-axis and the ΔG on the X axis.However, there is a condition here, that a phase change should not occur. Even ΔS that is the entropy is unaffected by the temperature.As you know the ΔH (enthalpy) is not affected by the temperature.The slope of the curve is the entropy and the intercept represents the enthalpy. ![]()
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