Chapter 21, Problem 46E

Interpretation Introduction

Interpretation: The exothermic nature of the thermite reaction because of the heat released that is used for the melting of iron product and the use of reaction for welding of metal under the ocean along with the thermite reaction is given. The heat released per mole of ${\text{Al}}_{\text{2}}{\text{O}}_{\text{3}}$ produced, the amount of thermal energy compares with the energy released when $2$ mol of protons and $2$ mol of neutrons combines to form $1$ mol of alpha particle is to be calculated.

Concept introduction: Thermite reaction is highly exothermic reaction that occurs between aluminium and iron to produce molten iron.

To determine: The heat released per mole of ${\text{Al}}_{\text{2}}{\text{O}}_{\text{3}}$ and the amount of thermal energy compares with the energy released when $2$ mol of protons and $2$ mol of neutrons combines to form $1$ mol of alpha particle.