1.

For the equilibrium :MgCO_(3)(s)hArr MgO(s)+CO_(2)(g)which of the following expressions is correct ?

Answer»

`K_(p)=(P_(MgO)xxP_(CO_(2)))/(P_(MgCO_(3)))`
`K_(p)=([MgO][CO_(2)])/([MgCO_(3)])`
`K_(p)=pMgO+pCO_(2)`
`K_(p)=pCO_(2)`

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