Consider the Reaction 4 Fe(s)+ 3 O₂(g) $\to$ 2 Fe₂O₃(s),for Which $\Delta$

question 44

Multiple Choice

Consider the reaction 4 Fe(s) + 3 O₂(g) $\to$ 2 Fe₂O₃(s) ,for which $\Delta$ H ^$\circ$ = -1648.4 kJ/mol and $\Delta$ S ^$\circ$ = -549.5 J/mol . K.Which of the following statements regarding its temperature dependence is true?

• A)This reaction is nonspontaneous at all temperatures.
• B)This reaction is spontaneous at all temperatures.
• C)This reaction is spontaneous at low temperatures and nonspontaneous at high temperatures.
• D)This reaction is nonspontaneous at low temperatures and spontaneous at high temperatures.
• E)Insufficient data are provided to ascertain the temperature dependence of the reaction.

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