For the Reaction 3Fe(s) + C(s) $\rarr$ Fe₃C(s) $\Delta$ H ^$\circ$ = 21 KJ/mol And

Multiple Choice

For the reaction 3Fe(s) + C(s) $\rarr$ Fe₃C(s) , $\Delta$ H ^$\circ$ = 21 kJ/mol and $\Delta$ S ^$\circ$ = 20.4 J/mol·K at 25 ^$\circ$ C. Estimate the minimum temperature above which the formation of cementite (Fe₃C) is favored.

A) 1.0 ^$\circ$ C
B) 970 ^$\circ$ C
C) 700 ^$\circ$ C
D) 1000 ^$\circ$ C
E) 760 ^$\circ$ C