Q386
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
AnswerC.
> 94 kcal
D.
< -94 kcal
Answer: Option B
Solution
Answer: Option B
Solution:
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.