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a) Explain the effect of temperature on ...

a) Explain the effect of temperature on the spontaneity of a process based on Gibbs equation.
b) For a reaction `2A(g)+B(g)rightarrow2D(g)`, enthalpy and entropy changes are `- 20.5 kJ mol^-1` and `-50.4 J K^-1mol^-1` respectively. Predict whether the reaction occurs at `25^oC.`

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