Chemical Equilibrium
JUPEB Chemistry

At equilibrium, a mixture contains [H$_2$] = 0.2 mol dm$^{-3}$, [I$_2$] = 0.2 mol dm$^{-3}$ and [HI] = 1.6 mol dm$^{-3}$ for the reaction H$_2$ + I$_2$ ⇌ 2HI. Calculate $K_c$.

For the reaction N$_2$(g) + 3H$_2$(g) ⇌ 2NH$_3$(g), an increase in pressure at constant temperature will

The forward reaction in N$_2$ + 3H$_2$ ⇌ 2NH$_3$ is exothermic. Raising the temperature will

The addition of a catalyst to a reversible reaction at equilibrium

Write the expression for the equilibrium constant $K_c$ for the reaction 2SO$_2$(g) + O$_2$(g) ⇌ 2SO$_3$(g).

What are the units of $K_c$ for the reaction H$_2$(g) + I$_2$(g) ⇌ 2HI(g)?

A very large value of the equilibrium constant $K_c$ indicates that

An inert gas such as argon is added to a gaseous equilibrium mixture at constant volume. The position of equilibrium

For the reaction A + B ⇌ C + D at equilibrium, continuously removing product C as it forms will

Which of the following is NOT a characteristic of a system in dynamic equilibrium?

In the Contact process for manufacturing sulphuric acid, the conditions used for the reaction 2SO$_2$ + O$_2$ ⇌ 2SO$_3$ are

The equilibrium constant for the reaction A ⇌ B is 4 at a certain temperature. What is the equilibrium constant for the reverse reaction B ⇌ A at the same temperature?