Chemical Thermodynamics Question 116

Question: For the reaction $ CH_3COOH(l)+2O_2(g) $ ⇌ $ 2CO_2(g)+2H_2O(l) $ at $ 25^{o}C $ and 1 atm. pressure, $ \Delta H=-874,kJ. $ Then the change in internal energy $ (\Delta E) $ is -. [Orissa JEE 2002]

Options:

A) - 874 kJ

B) - 871.53 kJ

C) - 876.47 kJ

D) + 874 kJ

Show Answer

Answer:

Correct Answer: A

Solution:

For this reaction $ \Delta n=0 $ than $ \Delta E=\Delta H. $



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