Chemical Thermodynamics Question 96

Question: For the reaction $ N_2+3H_2 $ ⇌ $ 2NH_3;,\Delta H= $ [Roorkee 2000; CBSE PMT 1991, 2002]

Options:

A) $ \Delta E-RT $

B) $ \Delta E-2RT $

C) $ \Delta E+RT $

D) $ \Delta E+2RT $

Show Answer

Answer:

Correct Answer: B

Solution:

$ \Delta H=\Delta E+\Delta nRT $ Since $ \Delta n=-2 $ Than $ \Delta H=\Delta E-2RT $ .



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