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Predict whether it is possible or not to...

Predict whether it is possible or not to reduce magnesium oxide using carbon at `298K` according to the reaction.
`MgO(s) +C(s) rarr Mg(s) +CO(g)`
`Delta_(r)H^(Theta) = +491.18 kJ mol^(-1)` and `Delta_(r)S^(Theta) = 197.67 J K^(-1) mol^(-1)`
If not at what temperature, the reaction becomes spontaneous.

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