Consider the reaction 2NO_2(g) doubleheadarrow N_2O_4(g) DeltaH = -56.8 kJ/mol D

Question

Consider the reaction 2NO_2(g) doubleheadarrow N_2O_4(g) DeltaH = -56.8 kJ/mol DeltaS = -175 J/mol K In a container (at 298 K) N_2O_4(g) and NO_2(g) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements is correct? A) Some N_2O_4(g) will decompose into NO_2(g). B) Some NO_2(g) will dimerize to form N_2O_4(g). C) The system is at equilibrium at these initial pressures. D) The final total pressure must be known to answer this question E) None of these 31. CH_3CO_2H(aq) doubleheadarrow H^+(aq) + CH_3CO_2^-(aq) at 25 degreeC, Ka = 1.8 times 10^-5 What is DeltaG at 25 degreeC for solution in which the initial concentration are:

Explanation / Answer

30. E

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