Chapter 5, Problem 5.94QP

Interpretation Introduction

Interpretation: The standard enthalpy of formation of ${\text{NaHCO}}_3\left(s\right)$ is to be calculated.

Concept introduction: The standard heat of reaction is also known as standard enthalpy of the reaction. It is defined as the enthalpy change during the transformation of matter in a specific chemical reaction. It is denoted by the symbol $\Delta H_{\text{reaction}}^{°}$. In such type of reactions all the reactants and the products should be in their standard state. In case of formation the enthalpy change is denote by the symbol $\Delta H_{\text{f}}^{°}$. If a reaction is formed by the addition of two or more reactions then the enthalpy change is equal to the sum of enthalpies of the constituent reactions. This is the principle of Hess’s law.

To determine: The standard enthalpy of formation of ${\text{NaHCO}}_3\left(s\right)$.