When the oxide of generic metal M is heated at 25.0 ∘C, a negligible amount of M is produced.   MO2(s)↽−−⇀M(s)+O2(g) Δ?∘=288.2kJmol   When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical equation of this coupled process? Show that the reaction is in equilibrium. Include physical states and represent graphite as C(s).

Chemistry: The Molecular Science
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Chapter4: Energy And Chemical Reactions
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When the oxide of generic metal M is heated at 25.0 ∘C, a negligible amount of M is produced.

 

MO2(s)↽−−⇀M(s)+O2(g) Δ?∘=288.2kJmol

 

When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous.

What is the chemical equation of this coupled process? Show that the reaction is in equilibrium. Include physical states and represent graphite as C(s).

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