For the reaction 2NO(g) ⇌ N2(g) + O2(g) at a temperature where Kc = 0.055, the initial concentration of NO is 0.0100 M with no N2 or O2 present. What is the equilibrium concentration of NO?

For the isomerization reaction cis-2-butene ⇌ trans-2-butene with an equilibrium constant Kp of 3.40, if a flask initially contains 0.250 atm of cis-2-butene and 0.165 atm of trans-2-butene, what is the equilibrium pressure of cis-2-butene?

The following picture represents the equilibrium state for the reaction A2 + B2 ⇌ 2AB (A = white; B = gray). What is the relationship between the rate constant for the forward reaction, kf, and the rate constant for the reverse reaction kr at equilibrium?

The following two isomers of C3H7NO exist in equilibrium with each other in solution: If K_c = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M, what are the concentrations of the reactant and product at equilibrium?

The following two isomers of C3H7NO exist in equilibrium with each other in solution: If Kc = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M, what is the concentration of the reactant at equilibrium?

Which of the following statements about the equilibrium constant (K) is true?

What is the equilibrium-constant expression for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)?

What is the equilibrium-constant expression for the reaction 2Hg(l) + O2(g) ⇌ 2HgO(s)?

What is chemical equilibrium in a chemical reaction?