
Interpretation:
The classification of the energy exchange in the given systems on the basis of heat or work and the sign of internal energy change for the process is to be predicted.
Concept Introduction: The energy exchange in which heat is getting transferred refers to heat and in which some work is done refers to work done.
To determine: The type of energy exchange and the sign of internal energy change for the process of sweat evaporates from skin cooling the skin, a balloon expands against an external pressure and the aqueous

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Chapter 6 Solutions
Principles of Chemistry: A Molecular Approach, Books a la Carte Edition; Modified Mastering Chemistry with Pearson eText - ValuePack Access Card - Chemistry: A Molecular Approach (3rd Edition)
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