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Question
Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂?
Options:
A .  -94 kcal
B .  + 94 kcal
C .  > 94 kcal
D .  < -94 kcal
Answer: Option B

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