Whether the conversion of A to B is an exothermic reaction or endothermic reaction should be identified on increase in equilibrium concentration of B. Concept Introduction: Chemical equilibrium : A chemical equilibrium shifted towards forward direction or backward direction depends on the concentration of both reactant and products. Exothermic reaction: A chemical reaction in which energy is released when reactant converted into products known as exothermic reaction. For example. Endothermic reaction: A chemical reaction in which energy is added when reactant converted into products known as endothermic reaction. Temperature effect: In a reaction, reactant molecule collides with each other and many bonds are break and formed in this process; all this process depend on the kinetic energy of molecules and as we increase the temperature the kinetic energy also increases as a result rate of reaction or product formation increases. Consider and equilibrium reaction: aA + bB ◰ cC + dD Here, a, b, c and d are coefficient. If we add excess concentration of c and d, then the chemical equilibrium will shifted in backward direction.

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Chapter 7.7, Problem 7.8P

Interpretation Introduction

Interpretation:

Whether the conversion of A to B is an exothermic reaction or endothermic reaction should be identified on increase in equilibrium concentration of B.

Concept Introduction:

Chemical equilibrium:

A chemical equilibrium shifted towards forward direction or backward direction depends on the concentration of both reactant and products.

Exothermic reaction:

A chemical reaction in which energy is released when reactant converted into products known as exothermic reaction. For example.

Endothermic reaction:

A chemical reaction in which energy is added when reactant converted into products known as endothermic reaction.

Temperature effect:

In a reaction, reactant molecule collides with each other and many bonds are break and formed in this process; all this process depend on the kinetic energy of molecules and as we increase the temperature the kinetic energy also increases as a result rate of reaction or product formation increases.

Consider and equilibrium reaction:

$aA + bB ◰ cC + dD$

Here, a, b, c and d are coefficient.

If we add excess concentration of c and d, then the chemical equilibrium will shifted in backward direction.

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