Consider the reaction C + O2 CO2 H = -94 kcal...

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Consider the reaction, C + O₂ ⇋ CO₂; ΔH = -94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂?

A. -94 kcal

B. +94 kcal

C. > 94 kcal

D. < -94 kcal

Answer: Option B

Solution (By Examveda Team)

The change in enthalpy is given as enthalpy of the products - enthalpy of the reactants since, the given reaction is opposite of given reaction only the sign changes.

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Consider the reaction C + O2 CO2 H = -94 kcal...

Consider the reaction, C + O2 ⇋ CO2; ΔH = -94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2?

Solution (By Examveda Team)

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Consider the reaction, C + O₂ ⇋ CO₂; ΔH = -94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂?