Chapter 7, Problem 131SAE

Interpretation Introduction

(a)

Interpretation:

The law of conservation of energy needs to be explained.

Concept introduction:

According to Law of conservation of energy, for an isolated system, the total energy remains the constant. 

Interpretation Introduction

(b)

Interpretation:

The bomb calorimetric needs to be explained.

Concept introduction:

Bomb calorimetric is also known as a constant volume calorimetry. The heat measured by it is equal to the change in internal energy. 

Interpretation Introduction

(c)

Interpretation:

The function of state needs to be described.

Concept introduction:

Function of state are variables that depend only in the state of system and not on path of the reaction of the system.

Interpretation Introduction

(d)

Interpretation:

The enthalpy diagram needs to be explained.

Concept introduction:

Enthalpy is defined as heat content of a system. The change in enthalpy for the reaction is equal to the amount of energy released or absorbed during the reaction. If in a reaction, the enthalpy of the system decreases, the reaction is more favored. The enthalpy diagram shows the change in energy of the system throughout the reaction.

Interpretation Introduction

(e)

Interpretation:

The Hess’s law needs to be explained.

Concept introduction:

Hess’s Law says that difference in enthalpy of any particular reaction is constant and doesn’t depend on the steps involved.