Chapter 2, Problem 2D.4E

Interpretation Introduction

Interpretation:

The values of $q$, $\Delta H$ and specific heat capacity of the sample has to be calculated.

Concept Introduction:

The change in enthalpy of a system can be determined as the energy transferred to the system as heat at constant pressure.

  $\Delta H=q$

For a specified system, the heat capacity $C$ of any substance is given by

$C=\frac{q}{\Delta T}$

Where, $q$ is the heat transferred and $\Delta T=T{f}_{}-T_i$ is the temperature change in the system.

The internal energy, U is the sum of kinetic energy and the potential energy inside the system.

Change in internal energy, $\text{ΔU}$, is the measures of energy that is transferred as heat and work from the system or to the system.

  $\text{ΔU}\text{=}\text{q}\text{+}\text{w}$

Where $\text{q}$ is the heat energy absorbed or released, $w$  is the work done to the system or from the system.