Question

For the reaction CO(g) + \(\frac{1}{2}\) O\(_2\)(g) \(\rightarrow\) CO\(_2\)(g) Which one of the statement is correct at constant T and P?

• A. \(\Delta H = \Delta E\)
• B. \(\Delta H \textless \Delta E\)
• C. \(\Delta H \textgreater \Delta E\)
• D. \(\Delta H\) is independent of physical state of the reactants

Hint:

Just count the moles of gases!
If products have fewer moles of gas (\(\Delta n_g \textless 0\)), then \(\Delta H \textless \Delta E\).
If products have more moles of gas (\(\Delta n_g \textgreater 0\)), then \(\Delta H \textgreater \Delta E\).

Answer 1

The Correct Option is B