Le Chaterlier and Equilibrium expressions

Front

What is the equilibrium-constant expression for the reaction CO2(g) + H2(g) ↔ CO(g) + H2O(l)?

Back

Kc = [CO] / [CO2][H2]

Front

What do [A] and [B] represent in equilibrium expressions?

Back

Concentration of Reactants

Front

If the equilibrium constant is much less than one (K << 1), what does it indicate about the reaction?

Back

Equilibrium lies to the left (reactants are favored).

Front

In an endothermic reaction, where is heat energy stated?

Back

As a reactant.

Front

What is the reaction for the equilibrium constant expression Kc = [NO]^2 / [N2][O2]?

Back

N2 + O2 ⇌ 2NO

Front

What does Kc represent in a chemical reaction?

Back

The equilibrium constant for the reaction at a given temperature.

Front

What is the significance of a Kc value greater than 1?

Back

Products are favored at equilibrium.

Front

What does it mean if Kc is equal to 1?

Back

Neither reactants nor products are favored; they are present in equal concentrations.

Front

What is Le Chatelier's Principle?

Back

If a system at equilibrium is subjected to a change in concentration, temperature, or pressure, the system will adjust to counteract that change.

Front

How does increasing the concentration of reactants affect the equilibrium position?

Back

It shifts the equilibrium to the right, favoring the formation of products.