Use the given value of K and initial concentrations (or pressures) along with an ICE table to determine the equilibrium concentrations (or pressures) of all species.
Consider the following reversible reaction system.
S2Cl2(g) + Cl2(g) ⇄ 2 SCl2(g)
It is known that the equilibrium constant for this system at a certain temperature is Kp = 2.57. Suppose a rigid container is filled with all three gases, each having a partial pressure of 0.96 (top row of ICE table).
Calculate the reaction quotient under these initial conditions.
Reaction Quotient
In which direction will the reaction proceed in order to reach equilibrium.
Which one of the following would be appropriate variable representations, listed in order from left to right, of the middle row (Change or C) of the ICE table?
Which one of the following would be appropriate variable representations, listed in order from left to right, of the last row (Equilibrium or E) of the ICE table?
Use the given Kp value and the equilibrium constant expression to calculate the value of x.
x =
atm
Calculate the partial pressure of S2Cl2 at equilibrium.
Pressure of S2Cl2
Calculate the partial pressure of Cl2 at equilibrium.
Pressure of Cl2
Calculate the partial pressure of SCl2 at equilibrium.
Pressure of SCl2
At a certain temperature, Kp = 0.251 atm2 for the following reversible system.
2 NaHCO3(s) ⇄ Na2CO3(s) + CO2(g) + H2O(g)
A flask containing 13.1 g NaHCO3 is evacuated and heated to this temperature. The NaHCO3 decomposes and the gaseous products are formed. Calculate the partial pressures of CO2 and H2O after equilibrium is established. Use the ICE table to think through the solution.
Pressure of CO2 at Equilibrium:
Pressure of CO2
Pressure of H2O at Equilibrium:
Pressure of H2O
Consider the following reaction at some temperature.
H2(g) + I2(g) ⇄ 2 HI(g)
The equilibrium constant (Kc) for this reaction at the given temperature is 51.6. A 40.0-L reaction vessel is prepared with 3.77 mol of H2 , 3.77 mol of I2, and 7.74 mol of HI. Use the ICE table to answer the following questions.
Calculate the concentration of H2 at equilibrium.
[H2] =
M
Calculate the concentration of I2 at equilibrium.
[I2] =
Calculate the concentration pressure of HI at equilibrium.
[HI] =
The equilibrium constant (Kc) for this reaction at the given temperature is 14.2. A 5.00-L reaction vessel is prepared with 1.66 mol of H2 , 1.66 mol of I2, and 8.59 mol of HI. Use the ICE table to answer the following questions.