Chemical equiilibrium questions | form six Chemistry

The following equilibrium was established during the preparation of phosphorus(V)
pentachloride:
(i) Calculate the equilibrium constant for this reaction at 127^oC if the equilibrium
concentrations observed at this temperature were 0.034 mol/L for ammonia, 0.85 mol/L
for nitrogen and 0.031 mol/L for hydrogen.
(ii) Using the same equilibrium concentrations in (i), calculate the equilibrium constant at 127^oC for the equilibrium:
2NH​_3​ (g) ⇌ N​₂​ (g) + 3H​₂​ (g)

Answer / Solution

UNSOLVED

Briefly explain the following phrases , giving one example for each;

1. Reversible reaction
2. Heterogeneous equilibrium

Answer / Solution

UNSOLVED

1. State the equilibrium law and provide the corresponding expression.
2. List four characteristics of chemical equilibrium
3. Write the expression for the  equilibrium constant   for the equation .

Answer / Solution

UNSOLVED

The equilibrium equation for the oxidation of hydrogen chloride to chlorine is . In a certain experiment 0.80 moles of hydrogen chloride was mixed with 0.20 moles of oxygen in a closed vessel of capacity 10.00 dm³. At equilibrium , it was found that the mixture contained 0.20 moles of hydrogen chloride . Calculate the equilibrium constant for the reaction.Show your work clearly including manipulations of units.

Answer / Solution

UNSOLVED

1. State the law of mass action.
2. State the Le Chatelier`s principle.
3. Define dynamic equilibrium.
4. State three factors that change the position of the chemical equilibrium.

Answer / Solution

UNSOLVED