Chapter 12, Problem 89IAE

Interpretation Introduction

Interpretation:

The phase change and processes by which the solid wax is ultimately consumed when a wax candle is burned, should be described.

Concept introduction:

Burning candle shows both physical and chemical changes. Here, physical change is defined as a change during the reaction in which no new substance is formed, but only change in the physical state of the substance takes place. The chemical change is defined as a change when new substance is formed in the reaction or evolution of heat or light takes place.