Chapter 7, Problem 117CWP

Interpretation Introduction

Interpretation: Amount of heat released when 54.0g of diborane is combusted has to be calculated.

Concept introduction

Standard Enthalpy of formation (${\text{ΔH}}_{\text{f}}^{\text{0}}$): The standard enthalpy of formation is defined as the change in enthalpy when one mole of a substance in the standard state.

Standard condition: ${\text{25}}^{\text{0}}\text{C}$ and 1 atmosphere pressure.