Multiple Choice
Consider the reversible reaction: 2NO2(g) ⇄ N2O4(g) If the concentrations of both NO2 and N2O4 are 0.016 mol L−1, what is the value of Qc?
A) 0.016
B) 0.50
C) 1.0
D) 2.0
E) 63
Correct Answer:

Verified
Correct Answer:
Verified
Q47: At high temperatures, carbon reacts with O<sub>2</sub>
Q48: At a certain temperature the reaction CO<sub>2</sub>(g)
Q49: In water, the following equilibrium exists: H<sup>+</sup>(aq)
Q50: Consider the following two equilibria and their
Q51: Consider the equilibrium reaction shown below. B<sub>2</sub>(g)
Q53: When a reaction system reaches equilibrium, the
Q54: Write the mass-action expression, Q<sub>c</sub>, for the
Q55: Unless ΔH°<sub>rxn</sub> = 0, a change in
Q56: The equilibrium constant for the reaction of
Q57: Consider the equilibrium reaction: H<sub>2</sub>(g) + Br<sub>2</sub>(g)