Consider the Reaction 2NO₂(g)

Multiple Choice

Consider the reaction
2NO₂(g)
N₂O₄(g) ; ΔH° = -56.8 kJ ΔS° = -175 J/K
In a container (at 298 K) , N₂O₄(g) and NO₂(g) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements is correct?

A) The final total pressure must be known to answer this question.
B) The system is at equilibrium at these initial pressures.
C) Some NO₂(g) will dimerize to form N₂O₄(g) .
D) Some N₂O₄(g) will decompose into NO₂(g) .
E) None of these statements is correct.