16. Chemical Equilibrium

For the reaction 2 R (g) ⇌ Q (g), if the equilibrium concentration of R is 0.776 M and that of Q is 1.22 M at 25 °C, what is the value of the equilibrium constant K at this temperature?

For the combustion reaction 2H₂(g) + O₂(g) → 2H₂O(g), what is the likely magnitude of the equilibrium constant K at a given temperature?

If Kc = 0.600 and Kp = 359 for a hypothetical reaction, which of the following equations could represent the reaction at 25°C?

For the equilibrium reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the equilibrium constant Kc at a certain temperature is 0.5. If the initial concentrations of N₂ and H₂ are both 1.0 M, what will be the equilibrium concentration of NH₃?

The Keq for the equilibrium below is 5.4 x 10^13 at 480.0°C.2NO (g) + O2 (g) ↔ 2NO2 (g)What is the value of Keq at this temperature for the following reaction?NO (g) + 1/2 O2 (g) ↔ NO2 (g)

What is the equilibrium constant expression for the reaction 2 SO3(g) ⇌ 2 SO2(g) + O2(g)?

What is the expression for the equilibrium constant (K) for the reaction: Li(s) + 2H2O(l) ⇌ Li+(aq) + 2OH-(aq) + H2(g)?

What is the approximate value of the equilibrium constant, Kₙ, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCl(aq) + NaOH(aq) → H₂O(l) + NaCl(aq)

What is the equilibrium chemical equation for a 0.01 M solution of sodium acetate, NaC2H3O2(aq)?

What is the equilibrium constant, Kp, for the reaction MgCO3(s) ⇌ MgO(s) + CO2(g) at 25 °C given that ΔG° = 48.2 kJ?

For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), if the equilibrium partial pressures are P(SO2) = 0.2 atm, P(O2) = 0.1 atm, and P(SO3) = 0.4 atm, what is the value of the equilibrium constant Kp?

What is the value of Kp for the reaction 2 SO3(g) ⇌ 2 SO2(g) + O2(g) if the equilibrium partial pressures are P(SO3) = 0.2 atm, P(SO2) = 0.4 atm, and P(O2) = 0.1 atm?

For the reaction A ⇌ B at equilibrium, if the concentration of A is 0.5 M and the concentration of B is 2.0 M, what is the value of the equilibrium constant Kc?

What is the equilibrium constant expression, Keq, for the reaction: A(g) ⇌ B(aq) + 2C(aq)?

How can the reverse equilibrium constant for the reaction 8 H₂(g) + 8 Br₂(g) ⇌ 16 HBr(g) be expressed?