At Constant Pressure and Temperature, Which of the Following Statements $\rightarrow$

question 12

Multiple Choice

At constant pressure and temperature, which of the following statements is true for the reaction:
N₂O₅(s) $\rightarrow$ 2NO₂(g) + ½O₂(g) ,
$\Delta$ H_r = 109.5 kJ.mol^-1 at 298 K.

• A)\(\Delta\)H is independent of the physical states of the reactants.
• B) \(\Delta\)H = \(\Delta\)U
• C) w = 0
• D) \(\Delta\)H <\(\Delta\)U
• E) \(\Delta\)H > \(\Delta\)U

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