Chemical Thermodynamics Question 116

Question: For the reaction CH3COOH(l)+2O2(g)2CO2(g)+2H2O(l) at 25oC and 1 atm. pressure, ΔH=874,kJ. Then the change in internal energy (ΔE) 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 Δn=0 than ΔE=ΔH.



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