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In conversion of lime–stone to lime, CaCO3(s)  CaO(s) + CO2(g) the values of  ΔH and  ΔS0 are +179.1 kJ mol–1 and 160.2 J/K respectively at 298 K and 1 bar. Assuming that  ΔH° and  ΔS° do not change with temperature, temperature above which conversion of limestone to lime will be spontaneous is :

(A)  845 K

(B)  1118 K

(C)  1008 K

(D)  1200 K

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Best answer

Correct option  (B) 1118 K

Explanation:

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