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It is planned to carry out the reaction:...

It is planned to carry out the reaction:
`CaCO_(3)(g) hArr CaO(s) +CO_(2)(g)` at `1273K` and `1`bar pressure.
`Delta_(r)G^(Theta) = 176 kJ mol^(-1)` and `Delta_(r)S^(Theta) = 157.2 kJ mol^(-1)`
a. Is the reaction spontaneous at this temperature and pressure ?
b. Calculate the value of
i. `K_(p)` at `1273K` for the reaction
ii. partial pressure of `CO_(2)` at equilibrium

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