Chemical Thermodynamics Question 334

Question: If a reaction involves only solids and liquids which of the following is true-

Options:

A) $ \Delta H<\Delta E $

B) $ \Delta H=\Delta E $

C) $ \Delta H>\Delta E $

D) $ \Delta H=\Delta E+\Delta nRT $

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Answer:

Correct Answer: D

Solution:

$ \Delta H=\Delta E+P\Delta V $ , for solid and liquid, $ \Delta V=0 $ or $ \Delta H=\Delta E+\Delta nRT $ , for solids and liquids $ \Delta n=0 $



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