Chemistry

A reaction that proceeds in both forward and reverse directions is called

At equilibrium, the rate of forward reaction is

In a reversible reaction, equilibrium is established when

Dynamic equilibrium occurs only in

Which of the following best describes dynamic equilibrium?

Initially, the concentration of products in a reversible reaction is

The symbol used to represent a reversible reaction is

In the reaction N₂ + 3H₂ ⇌ 2NH₃, ammonia is

At equilibrium, which quantity remains unchanged?

Condensation and evaporation occurring simultaneously represent

At equilibrium, the rate of forward reaction is

A reversible reaction have the following characteristics except:

The equilibrium constant (K_c) expression for the given reaction is:

The equilibrium constant (K_c) is:

When the value of K_c is very small it shows that:

For which reaction the K_c will have no units?

When the value of K_c is very large it shows that:

Active mass means:

For a reversible reaction The equation will be,

The reaction between PCl₃ and Cl₂ will produce PCl₅. The unit of K_c for this reaction are,