The two main components of the internal energy of a substance and the basis of those components are to be determined. Concept introduction: The internal energy of a process is the summation of the kinetic energy and potential energy associated with the process. In the case of a reaction, the change in internal energy ( Δ E ) is the difference in the energy of the product. The expression to calculate Δ E according to the first law of thermodynamics is: Δ E = q + w Here, Δ E is the change in internal energy of the system. q is the heat released or absorbed. w is the work done by the system or on the system

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Chapter 6, Problem 6.20P

Interpretation Introduction

Interpretation:

The two main components of the internal energy of a substance and the basis of those components are to be determined.

Concept introduction:

The internal energy of a process is the summation of the kinetic energy and potential energy associated with the process. In the case of a reaction, the change in internal energy (ΔE) is the difference in the energy of the product. The expression to calculate ΔE according to the first law of thermodynamics is:

ΔE=q+w

Here,

ΔE is the change in internal energy of the system.

q is the heat released or absorbed.

w is the work done by the system or on the system

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