16. Chemical Equilibrium

Consider the following reaction: SO2Cl2(g) ⇌ SO2(g) + Cl2(g). Kc = 2.99×10⁻⁷ at 227 °C. If a reaction mixture initially contains 0.150 M SO2Cl2, what is the equilibrium concentration of Cl2 at 227 °C?

Consider the following reaction: CH4(g) + 2 H2S(g) ⇌ CS2(g) + 4 H2(g). A reaction mixture initially contains 0.50 M CH4 and 0.75 M H2S. If the equilibrium concentration of H2 is 0.44 M, find the equilibrium constant (Kc) for the reaction.

Consider the following reaction: 2 H2O(g) + 2 SO2(g) ⇌ 2 H2S(g) + 3 O2(g). A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 × 10^-6.

Consider the following reaction: 2 H2O(g) + 2 SO2(g) <--> 2 H2S(g) + 3 O2(g). A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6.

Consider the reaction C2H4(g) + H2O(g) -> CH3CH2OH(g). Using the standard thermodynamic data, calculate the equilibrium constant (K) for this reaction at 298.15 K.

Consider the reaction: H2(g) + I2(g) ⇌ 2HI(g). A reaction mixture in a 3.730-L flask at a certain temperature initially contains 0.7660 g H2 and 97.10 g I2. At equilibrium, the flask contains 90.40 g HI. Calculate the equilibrium constant (Kc) for the reaction.

Consider the reaction, which takes place at a certain elevated temperature: CO(g) + NH3(g) ⇌ HCONH2(g), Kc = 0.690. If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will be the concentration of HCONH2(g) at equilibrium?

Cyclohexane, C6H12, undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane, CH3C5H9, according to the equation: C6H12 ⇌ CH3C5H9. If Kc = 0.143 at 25°C for this reaction and the initial concentration of C6H12 is 1.0 M with no CH3C5H9 present initially, what are the equilibrium concentrations of C6H12 and CH3C5H9?

Cyclohexane, C6H12, undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane, CH3C5H9, according to the equation: C6H12 ⇌ CH3C5H9. If Kc = 0.143 at 25°C for this reaction and the initial concentration of C6H12 is 1.0 M with no CH3C5H9 present initially, what are the equilibrium concentrations of C6H12 and CH3C5H9?

Estimate the value of the equilibrium constant (K) at 660 K for the reaction 2NO2(g) ⇌ N2O4(g), given that ΔG°f for BrCl(g) is -1.0 kJ/mol, the standard molar entropy S° for BrCl(g) is 240.0 J/mol·K, and ΔH°f for N2O4(g) is 9.16 kJ/mol.

For the reaction CO (g) + Cl2 (g) ⇌ COCl2 (g) with Kc = 255 at 1000 K, a reaction mixture initially contains a CO concentration of 0.1510 M and a Cl2 concentration of 0.175 M at 1000 K. What is the equilibrium concentration of COCl2?

For the reaction CO (g) + Cl2 (g) ⇌ COCl2 (g) with Kc = 255 at 1000 K, if a reaction mixture initially contains a CO concentration of 0.1450 M and a Cl2 concentration of 0.176 M at 1000 K, what is the equilibrium concentration of CO?

Given the equilibrium reactions:A(g) + B2(g) <==> AB(g) + B(g) with KC = 4AB(g) <==> A(g) + B(g) with KC = 0.5What is the equilibrium constant (KC) for the following reaction?2A(g) + B2(g) <==> 2AB(g)

Hydrogen peroxide decomposes according to the equation 2H2O2(l) → 2H2O(l) + O2(g). Calculate Kp for this reaction at 25°C given ΔH° = -98.2 kJ/mol and ΔS° = 70.1 J/K·mol.

What is the equilibrium expression for the reverse photosynthetic conversion of CO2 and O2, given the reaction: 6CO2(g) + 6H2O(l) ⇌ C6H12O6(s) + 6O2(g)?