(a)
Interpretation:
The way by which a catalyst affects the forward and reverse rates of the reaction has to be explained.
Concept Introduction
Catalyst: The catalyst is a chemical substance that increases the rate of the reaction without participating in the reaction by reducing the activation energy of the reaction.
In a
In a chemical reaction, the species that present in right side is denoted as product that results from the reactant.
(b)
Interpretation:
The effect of catalyst on the energies of the reactant and the product has to be given.
Concept Introduction
Catalyst: The catalyst is a chemical substance that increases the rate of the reaction without participating in the reaction by reducing the activation energy of the reaction.
In a chemical reaction, the species that present left is denoted as reactant which undergoes chemical change and result to give new species called product.
In a chemical reaction, the species that present in right side is denoted as product that results from the reactant.
(c)
Interpretation:
The effect of increase in temperature on the equilibrium constant has to be determined.
Concept Introduction
Endothermic reaction:
In an endothermic reaction, heat will be a reactant. Therefore, increasing the temperature will shift the reaction from reactant side to the product side and the value of equilibrium constant will increases.
Exothermic reaction:
In an exothermic reaction, heat will be a product. Therefore, increasing the temperature will shift the reaction from product side to the reactant side and the value of equilibrium constant will decreases.
(d)
Interpretation:
The equilibrium constant remains unchanged if a catalyst added to the reacting mixture has to be shown.
Concept Introduction
Catalyst: The catalyst is a chemical substance that increases the rate of the reaction without participating in the reaction by reducing the activation energy of the reaction.
In a chemical reaction, the species that present left is denoted as reactant which undergoes chemical change and result to give new species called product.
In a chemical reaction, the species that present in right side is denoted as product that results from the reactant.
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