Chapter 6, Problem 6.79E

Interpretation Introduction

Interpretation:

The reason as to why a solid such as ${\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}$ is not suitable for use in a solar heat storage system is to be stated.

Concept introduction:

When temperature is changed or the state of matter is changed the energy is either absorbed or released. The energy required to change temperature of matter is known as specific heat of matter. The energy required to change a state of matter is known as heat of fusion or vaporization.