## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 6 - Sections 6.1-6.10 - Exercises - Review Questions: 13

#### Answer

According to the first law of thermodynamics, the change in internal energy of a system is the sum of the heat transferred and the work done.

#### Work Step by Step

$\Delta E$ $=$ $q+w$

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